diff --git a/ATL.unit-test/IO/HighLevel.cs b/ATL.unit-test/IO/HighLevel.cs
index d9e5d65f..29da6329 100644
--- a/ATL.unit-test/IO/HighLevel.cs
+++ b/ATL.unit-test/IO/HighLevel.cs
@@ -424,7 +424,7 @@ public void TagIO_RW_Padding()
                 tagIO_RW_AddPadding("MP3/empty.mp3");
                 tagIO_RW_AddPadding("OGG/empty.ogg", 8); // 8 extra bytes for the segments table extension
                 tagIO_RW_AddPadding("MP4/chapters_NERO.mp4");
-                tagIO_RW_AddPadding("FLAC/empty.flac", ATL.Settings.PaddingSize + 4); // Additional padding for the ID3v2 tag + 4 bytes for VorbisComment's PADDING block header
+                tagIO_RW_AddPadding("FLAC/empty.flac", 4); // Additional padding : 4 bytes for VorbisComment's PADDING block header
             }
             finally
             {
diff --git a/ATL.unit-test/Resources/tmp/AtomicParsley.exe b/ATL.unit-test/Resources/tmp/AtomicParsley.exe
deleted file mode 100644
index 47040f64..00000000
Binary files a/ATL.unit-test/Resources/tmp/AtomicParsley.exe and /dev/null differ
diff --git a/ATL/AudioData/AudioDataManager.cs b/ATL/AudioData/AudioDataManager.cs
index 24f1af09..622d45f6 100644
--- a/ATL/AudioData/AudioDataManager.cs
+++ b/ATL/AudioData/AudioDataManager.cs
@@ -256,14 +256,16 @@ public ISet<TagType> getRecommendedMetas()
             if (1 == supportedMetas.Count) result.Add(supportedMetas[0]);
             else
             {
-                if (audioDataIO is OptimFrog) result.Add(TagType.APE); // TODO this is ugly
+                if (audioDataIO is OptimFrog) result.Add(TagType.APE); // TODO this is ugly (see #249)
                 else
                 {
                     var id3v2Exists = supportedMetas.Contains(TagType.ID3V2);
+                    bool isNativeRich = audioDataIO.IsNativeMetadataRich && supportedMetas.Exists(meta => meta == TagType.NATIVE);
                     foreach (var meta in supportedMetas.Where(meta => meta != TagType.ID3V1))
                     {
-                        if (meta == TagType.ID3V2 || meta == TagType.NATIVE) result.Add(meta); // Default preference go to these
-                        if (meta == TagType.APE && !id3v2Exists) result.Add(meta); // If no ID3v2 support at all
+                        if (meta == TagType.NATIVE && isNativeRich) result.Add(meta);
+                        if (meta == TagType.ID3V2 && !isNativeRich) result.Add(meta); // If poor native metadata
+                        if (meta == TagType.APE && !id3v2Exists && !isNativeRich) result.Add(meta); // If no ID3v2 support and poor native metadata
                     }
                 }
             }
diff --git a/ATL/AudioData/AudioFileIO.cs b/ATL/AudioData/AudioFileIO.cs
index f0ac0cb7..778ff061 100644
--- a/ATL/AudioData/AudioFileIO.cs
+++ b/ATL/AudioData/AudioFileIO.cs
@@ -247,6 +247,8 @@ public List<TagType> GetSupportedMetas()
             return audioData.GetSupportedMetas();
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => audioData.IsNativeMetadataRich;
+        /// <inheritdoc/>
         public bool Read(Stream source, AudioDataManager.SizeInfo sizeNfo, MetaDataIO.ReadTagParams readTagParams)
         {
             return audioData.Read(source, sizeNfo, readTagParams);
diff --git a/ATL/AudioData/IO/AA.cs b/ATL/AudioData/IO/AA.cs
index 9b8613bc..adc37416 100644
--- a/ATL/AudioData/IO/AA.cs
+++ b/ATL/AudioData/IO/AA.cs
@@ -147,6 +147,8 @@ public int SampleRate
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+        /// <inheritdoc/>
         public ChannelsArrangement ChannelsArrangement => MONO;
         /// <inheritdoc/>
         public long AudioDataOffset { get; set; }
diff --git a/ATL/AudioData/IO/AAC.cs b/ATL/AudioData/IO/AAC.cs
index 609db882..62d3aba9 100644
--- a/ATL/AudioData/IO/AAC.cs
+++ b/ATL/AudioData/IO/AAC.cs
@@ -94,6 +94,8 @@ public AudioFormat AudioFormat
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V1 };
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+        /// <inheritdoc/>
         public ChannelsArrangement ChannelsArrangement { get; private set; }
 
         /// <inheritdoc/>
diff --git a/ATL/AudioData/IO/AC3.cs b/ATL/AudioData/IO/AC3.cs
index f3b7dbdf..15c5845f 100644
--- a/ATL/AudioData/IO/AC3.cs
+++ b/ATL/AudioData/IO/AC3.cs
@@ -46,6 +46,8 @@ class AC3 : IAudioDataIO
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.APE };
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+        /// <inheritdoc/>
         public long AudioDataOffset { get; set; }
         /// <inheritdoc/>
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/AIFF.cs b/ATL/AudioData/IO/AIFF.cs
index 0c8c397c..9fb385d8 100644
--- a/ATL/AudioData/IO/AIFF.cs
+++ b/ATL/AudioData/IO/AIFF.cs
@@ -112,6 +112,8 @@ public AudioFormat AudioFormat
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/Ape.cs b/ATL/AudioData/IO/Ape.cs
index 68680c96..0b9704bd 100644
--- a/ATL/AudioData/IO/Ape.cs
+++ b/ATL/AudioData/IO/Ape.cs
@@ -141,7 +141,8 @@ private sealed class ApeDescriptor
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.ID3V1 };
         }
-
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
 
diff --git a/ATL/AudioData/IO/CAF.cs b/ATL/AudioData/IO/CAF.cs
index 355c2810..20131c52 100644
--- a/ATL/AudioData/IO/CAF.cs
+++ b/ATL/AudioData/IO/CAF.cs
@@ -154,6 +154,9 @@ class CAF : MetaDataIO, IAudioDataIO
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
 
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+
         protected override int getDefaultTagOffset()
         {
             return TO_BUILTIN;
diff --git a/ATL/AudioData/IO/DSF.cs b/ATL/AudioData/IO/DSF.cs
index d488ca92..84a216d9 100644
--- a/ATL/AudioData/IO/DSF.cs
+++ b/ATL/AudioData/IO/DSF.cs
@@ -53,7 +53,8 @@ class DSF : IAudioDataIO, IMetaDataEmbedder
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.ID3V2 };
         }
-
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
         // IMetaDataEmbedder
         public long HasEmbeddedID3v2 => id3v2Offset;
         public uint ID3v2EmbeddingHeaderSize => 0;
diff --git a/ATL/AudioData/IO/DTS.cs b/ATL/AudioData/IO/DTS.cs
index c036c820..8b5b62d1 100644
--- a/ATL/AudioData/IO/DTS.cs
+++ b/ATL/AudioData/IO/DTS.cs
@@ -40,6 +40,8 @@ class DTS : IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType>(); // No supported metas
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/DummyReader.cs b/ATL/AudioData/IO/DummyReader.cs
index 0d6a3eb9..12012319 100644
--- a/ATL/AudioData/IO/DummyReader.cs
+++ b/ATL/AudioData/IO/DummyReader.cs
@@ -54,6 +54,8 @@ public DummyReader(string filePath)
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         /// <inheritdoc/>
         public bool Read(Stream source, AudioDataManager.SizeInfo sizeNfo, MetaDataIO.ReadTagParams readTagParams)
diff --git a/ATL/AudioData/IO/FLAC.cs b/ATL/AudioData/IO/FLAC.cs
index a1dc2039..f3546b03 100644
--- a/ATL/AudioData/IO/FLAC.cs
+++ b/ATL/AudioData/IO/FLAC.cs
@@ -112,6 +112,8 @@ public override IList<Format> MetadataFormats
             // Native is for VorbisTag
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V2 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => true;
 
 
         // ---------- CONSTRUCTORS & INITIALIZERS
diff --git a/ATL/AudioData/IO/GYM.cs b/ATL/AudioData/IO/GYM.cs
index 6cca997e..d088f934 100644
--- a/ATL/AudioData/IO/GYM.cs
+++ b/ATL/AudioData/IO/GYM.cs
@@ -67,6 +67,8 @@ class GYM : MetaDataIO, IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         // IMetaDataIO
         protected override int getDefaultTagOffset()
diff --git a/ATL/AudioData/IO/IT.cs b/ATL/AudioData/IO/IT.cs
index 6b302f1b..e8e7c734 100644
--- a/ATL/AudioData/IO/IT.cs
+++ b/ATL/AudioData/IO/IT.cs
@@ -71,6 +71,8 @@ class IT : MetaDataIO, IAudioDataIO
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+        /// <inheritdoc/>
         public long AudioDataOffset { get; set; }
         /// <inheritdoc/>
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/MIDI.cs b/ATL/AudioData/IO/MIDI.cs
index 449c0d30..1464b00d 100644
--- a/ATL/AudioData/IO/MIDI.cs
+++ b/ATL/AudioData/IO/MIDI.cs
@@ -317,6 +317,8 @@ public void Add(MidiEvent evt)
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE }; // Only for comments
         }
         /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
+        /// <inheritdoc/>
         public long AudioDataOffset { get; set; }
         /// <inheritdoc/>
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/MKA.cs b/ATL/AudioData/IO/MKA.cs
index 9297a63c..1c1d1179 100644
--- a/ATL/AudioData/IO/MKA.cs
+++ b/ATL/AudioData/IO/MKA.cs
@@ -248,6 +248,8 @@ public AudioFormat AudioFormat
 
         protected override MetaDataIOFactory.TagType getImplementedTagType() => MetaDataIOFactory.TagType.NATIVE;
 
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => true;
         protected override Field getFrameMapping(string zone, string ID, byte tagVersion)
         {
             Field supportedMetaId = Field.NO_FIELD;
diff --git a/ATL/AudioData/IO/MOD.cs b/ATL/AudioData/IO/MOD.cs
index b84ffcdb..d93e2331 100644
--- a/ATL/AudioData/IO/MOD.cs
+++ b/ATL/AudioData/IO/MOD.cs
@@ -138,6 +138,8 @@ public AudioFormat AudioFormat
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/MP4.cs b/ATL/AudioData/IO/MP4.cs
index 40954fde..cc7e3bb7 100644
--- a/ATL/AudioData/IO/MP4.cs
+++ b/ATL/AudioData/IO/MP4.cs
@@ -184,7 +184,8 @@ public bool isValid()
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1 };
         }
-
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => true;
         public ChannelsArrangement ChannelsArrangement { get; private set; }
 
         public long AudioDataOffset { get; set; }
diff --git a/ATL/AudioData/IO/MPEGaudio.cs b/ATL/AudioData/IO/MPEGaudio.cs
index 0a01fe16..fa3f644f 100644
--- a/ATL/AudioData/IO/MPEGaudio.cs
+++ b/ATL/AudioData/IO/MPEGaudio.cs
@@ -332,6 +332,8 @@ public AudioFormat AudioFormat
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
 
         // ---------- CONSTRUCTORS & INITIALIZERS
diff --git a/ATL/AudioData/IO/MPEGplus.cs b/ATL/AudioData/IO/MPEGplus.cs
index ac95fedd..ed5f9841 100644
--- a/ATL/AudioData/IO/MPEGplus.cs
+++ b/ATL/AudioData/IO/MPEGplus.cs
@@ -85,6 +85,8 @@ public void computeVersion()
                 MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1
             };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/Ogg.cs b/ATL/AudioData/IO/Ogg.cs
index 91c7f5d5..313b88fc 100644
--- a/ATL/AudioData/IO/Ogg.cs
+++ b/ATL/AudioData/IO/Ogg.cs
@@ -343,6 +343,8 @@ public AudioFormat AudioFormat
             // According to id3.org (FAQ), ID3 is not compatible with OGG. Hence ATL does not allow ID3 tags to be written on OGG files; native is for VorbisTag
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => true;
 
         /// <inheritdoc/>
         public override IList<Format> MetadataFormats
diff --git a/ATL/AudioData/IO/OptimFROG.cs b/ATL/AudioData/IO/OptimFROG.cs
index 0c636d99..851641c4 100644
--- a/ATL/AudioData/IO/OptimFROG.cs
+++ b/ATL/AudioData/IO/OptimFROG.cs
@@ -157,6 +157,8 @@ public static bool IsValidHeader(byte[] data)
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public bool Read(Stream source, SizeInfo sizeNfo, MetaDataIO.ReadTagParams readTagParams)
         {
diff --git a/ATL/AudioData/IO/PSF.cs b/ATL/AudioData/IO/PSF.cs
index 308cd84b..d1665a36 100644
--- a/ATL/AudioData/IO/PSF.cs
+++ b/ATL/AudioData/IO/PSF.cs
@@ -98,6 +98,8 @@ public AudioFormat AudioFormat
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
 
diff --git a/ATL/AudioData/IO/S3M.cs b/ATL/AudioData/IO/S3M.cs
index 13999919..a7b2bef9 100644
--- a/ATL/AudioData/IO/S3M.cs
+++ b/ATL/AudioData/IO/S3M.cs
@@ -84,6 +84,8 @@ public AudioFormat AudioFormat
         // IMetaDataIO
         protected override int getDefaultTagOffset() => TO_BUILTIN;
         protected override MetaDataIOFactory.TagType getImplementedTagType() => MetaDataIOFactory.TagType.NATIVE;
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
         protected override Field getFrameMapping(string zone, string ID, byte tagVersion)
         {
             throw new NotImplementedException();
diff --git a/ATL/AudioData/IO/SPC.cs b/ATL/AudioData/IO/SPC.cs
index c83e0d3b..cbb814fd 100644
--- a/ATL/AudioData/IO/SPC.cs
+++ b/ATL/AudioData/IO/SPC.cs
@@ -164,6 +164,8 @@ partial class SPC : MetaDataIO, IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.APE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/TAK.cs b/ATL/AudioData/IO/TAK.cs
index 6d816af3..18c1b635 100644
--- a/ATL/AudioData/IO/TAK.cs
+++ b/ATL/AudioData/IO/TAK.cs
@@ -39,6 +39,8 @@ class TAK : IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.APE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
 
diff --git a/ATL/AudioData/IO/TTA.cs b/ATL/AudioData/IO/TTA.cs
index b52a24c6..e1b8d152 100644
--- a/ATL/AudioData/IO/TTA.cs
+++ b/ATL/AudioData/IO/TTA.cs
@@ -44,6 +44,8 @@ class TTA : IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/TwinVQ.cs b/ATL/AudioData/IO/TwinVQ.cs
index 713646de..79a49cd0 100644
--- a/ATL/AudioData/IO/TwinVQ.cs
+++ b/ATL/AudioData/IO/TwinVQ.cs
@@ -104,6 +104,8 @@ private sealed class HeaderInfo
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/VGM.cs b/ATL/AudioData/IO/VGM.cs
index 9a4ddab6..acbce885 100644
--- a/ATL/AudioData/IO/VGM.cs
+++ b/ATL/AudioData/IO/VGM.cs
@@ -62,6 +62,8 @@ class VGM : MetaDataIO, IAudioDataIO
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/WAV.cs b/ATL/AudioData/IO/WAV.cs
index 152328de..b4c4e457 100644
--- a/ATL/AudioData/IO/WAV.cs
+++ b/ATL/AudioData/IO/WAV.cs
@@ -124,6 +124,8 @@ public AudioFormat AudioFormat
             // Native for bext, info and iXML chunks
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/WAVPack.cs b/ATL/AudioData/IO/WAVPack.cs
index 7df2f410..b1c34eb6 100644
--- a/ATL/AudioData/IO/WAVPack.cs
+++ b/ATL/AudioData/IO/WAVPack.cs
@@ -149,6 +149,8 @@ public void Reset()
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.APE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/IO/WMA.cs b/ATL/AudioData/IO/WMA.cs
index a1713aa7..9878fcd7 100644
--- a/ATL/AudioData/IO/WMA.cs
+++ b/ATL/AudioData/IO/WMA.cs
@@ -187,6 +187,8 @@ private void Reset()
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE, MetaDataIOFactory.TagType.ID3V2, MetaDataIOFactory.TagType.APE, MetaDataIOFactory.TagType.ID3V1 };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => true;
 
         /// <inheritdoc/>
         protected override Field getFrameMapping(string zone, string ID, byte tagVersion)
diff --git a/ATL/AudioData/IO/XM.cs b/ATL/AudioData/IO/XM.cs
index feb6c791..2a92a9ef 100644
--- a/ATL/AudioData/IO/XM.cs
+++ b/ATL/AudioData/IO/XM.cs
@@ -77,6 +77,8 @@ public AudioFormat AudioFormat
         {
             return new List<MetaDataIOFactory.TagType> { MetaDataIOFactory.TagType.NATIVE };
         }
+        /// <inheritdoc/>
+        public bool IsNativeMetadataRich => false;
 
         public long AudioDataOffset { get; set; }
         public long AudioDataSize { get; set; }
diff --git a/ATL/AudioData/Interfaces/IAudioDataIO.cs b/ATL/AudioData/Interfaces/IAudioDataIO.cs
index a84b2946..9c598ee6 100644
--- a/ATL/AudioData/Interfaces/IAudioDataIO.cs
+++ b/ATL/AudioData/Interfaces/IAudioDataIO.cs
@@ -95,6 +95,14 @@ long AudioDataSize
         /// <returns>Metadata type supported by the present audio format</returns>
         List<MetaDataIOFactory.TagType> GetSupportedMetas();
 
+        /// <summary>
+        /// True if the native tagging system contains a wide array of fields
+        /// </summary>
+        bool IsNativeMetadataRich
+        {
+            get;
+        }
+
         /// <summary>
         /// Read audio data from the given stream.
         /// NB1 : Standard metadata (i.e. ID3v2, ID3v1 and APE) have to be read _before_ calling this method, and their size stored in sizeInfo