iTunes-private COMM frames are ignored so they don't pollute comment fields and are always preserved when retagging.
I didn't tag those files with foobar, but did RG processing. Here is dump:
I didn't tag those files with foobar, but did RG processing.
(force preferred tag is not set)
THe previous hex view you showed (post #5) told a different story than what is shown in post 11.
here is report after RG processing with pre 1.1.6 (it's 1.1.4 set to compatibility mode):[font= "Lucida Console"]TYER: 1995TXXX: [replaygain_track_peak]: 0.340388TXXX: [replaygain_track_gain]: +1.81 dBTXXX: [replaygain_album_peak]: 0.340388TXXX: [replaygain_album_gain]: +1.81 dBTXXX: [comment]: 0TRCK: 1/15TPOS: 1/1TIT2: TestoneTENC: iTunes 10.0TCON: ElectronicaTALB: 1000 Fragments[/font][/color]
To correct, you need to redo your iTunes comments tags to get them into COMM frames, and I recommend you use a hex reader to confirm that.