You don't need id3v2 unless you want to write id3v2 tags for mp3s and you absolutely don't need it for ogg vorbis for example.
So this should not be a Depends and Suggests is correct
** Changed in: abcde (Ubuntu)
Status: Unconfirmed => Rejected
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abcde should depend on id3v2
https://launchpad.net/bugs/30250