
Adding an arbitrary amount of padding bytes at the end of the ID3 metadata fixes cover art display for some software (iTunes, Traktor, Serato, Torq). For reference (ID3 metadata): [ Apic frames ] -> cover doesn't show up [ Apic frames, Padding ] -> ok [ Apic frames, ID3 frames ] -> ok [ ID3 frames, Apic frames ] -> cover doesn't show up [ ID3 frames, Apic frames, Padding ] -> ok