id3v2

4.20    AENC    [#sec4.20 Audio encryption]
4.15    APIC    [#sec4.15 Attached picture]
4.11    COMM    [#sec4.11 Comments]
4.25    COMR    [#sec4.25 Commercial frame]
4.26    ENCR    [#sec4.26 Encryption method registration]
4.13    EQUA    [#sec4.13 Equalization]
4.6     ETCO    [#sec4.6 Event timing codes]
4.16    GEOB    [#sec4.16 General encapsulated object]
4.27    GRID    [#sec4.27 Group identification registration]
4.4     IPLS    [#sec4.4 Involved people list]
4.21    LINK    [#sec4.21 Linked information]
4.5     MCDI    [#sec4.5 Music CD identifier]
4.7     MLLT    [#sec4.7 MPEG location lookup table]
4.24    OWNE    [#sec4.24 Ownership frame]
4.28    PRIV    [#sec4.28 Private frame]
4.17    PCNT    [#sec4.17 Play counter]
4.18    POPM    [#sec4.18 Popularimeter]
4.22    POSS    [#sec4.22 Position synchronisation frame]
4.19    RBUF    [#sec4.19 Recommended buffer size]
4.12    RVAD    [#sec4.12 Relative volume adjustment]
4.14    RVRB    [#sec4.14 Reverb]
4.10    SYLT    [#sec4.10 Synchronized lyric/text]
4.8     SYTC    [#sec4.8 Synchronized tempo codes]
4.2.1   TALB    [#TALB Album/Movie/Show title]
4.2.1   TBPM    [#TBPM BPM (beats per minute)]
4.2.1   TCOM    [#TCOM Composer]
4.2.1   TCON    [#TCON Content type]
4.2.1   TCOP    [#TCOP Copyright message]
4.2.1   TDAT    [#TDAT Date]
4.2.1   TDLY    [#TDLY Playlist delay]
4.2.1   TENC    [#TENC Encoded by]
4.2.1   TEXT    [#TEXT Lyricist/Text writer]
4.2.1   TFLT    [#TFLT File type]
4.2.1   TIME    [#TIME Time]
4.2.1   TIT1    [#TIT1 Content group description]
4.2.1   TIT2    [#TIT2 Title/songname/content description]
4.2.1   TIT3    [#TIT3 Subtitle/Description refinement]
4.2.1   TKEY    [#TKEY Initial key]
4.2.1   TLAN    [#TLAN Language(s)]
4.2.1   TLEN    [#TLEN Length]
4.2.1   TMED    [#TMED Media type]
4.2.1   TOAL    [#TOAL Original album/movie/show title]
4.2.1   TOFN    [#TOFN Original filename]
4.2.1   TOLY    [#TOLY Original lyricist(s)/text writer(s)]
4.2.1   TOPE    [#TOPE Original artist(s)/performer(s)]
4.2.1   TORY    [#TORY Original release year]
4.2.1   TOWN    [#TOWN File owner/licensee]
4.2.1   TPE1    [#TPE1 Lead performer(s)/Soloist(s)]
4.2.1   TPE2    [#TPE2 Band/orchestra/accompaniment]
4.2.1   TPE3    [#TPE3 Conductor/performer refinement]
4.2.1   TPE4    [#TPE4 Interpreted, remixed, or otherwise modified by]
4.2.1   TPOS    [#TPOS Part of a set]
4.2.1   TPUB    [#TPUB Publisher]
4.2.1   TRCK    [#TRCK Track number/Position in set]
4.2.1   TRDA    [#TRDA Recording dates]
4.2.1   TRSN    [#TRSN Internet radio station name]
4.2.1   TRSO    [#TRSO Internet radio station owner]
4.2.1   TSIZ    [#TSIZ Size]
4.2.1   TSRC    [#TSRC ISRC (international standard recording code)]
4.2.1   TSSE    [#TSEE Software/Hardware and settings used for encoding]
4.2.1   TYER    [#TYER Year]
4.2.2   TXXX    [#TXXX User defined text information frame]
4.1     UFID    [#sec4.1 Unique file identifier]
4.23    USER    [#sec4.23 Terms of use]
4.9     USLT    [#sec4.9 Unsychronized lyric/text transcription]
4.3.1   WCOM    [#WCOM Commercial information]
4.3.1   WCOP    [#WCOP Copyright/Legal information]
4.3.1   WOAF    [#WOAF Official audio file webpage]
4.3.1   WOAR    [#WOAR Official artist/performer webpage]
4.3.1   WOAS    [#WOAS Official audio source webpage]
4.3.1   WORS    [#WORS Official internet radio station homepage]
4.3.1   WPAY    [#WPAY Payment]
4.3.1   WPUB    [#WPUB Publishers official webpage]
4.3.2   WXXX    [#WXXX User defined URL link frame]