I'm looking for quite a long time for a multimedia manager (mainly for audio files) that would suit my needs:
*mass-tagger
*tagger from file-name, renamer from tags
*duplicate finder by several fields (artist, title, length, etc) even if the files are mp3's, mpc's, flac's etc
*no-tags finder (files without artist, title, etc)
Now I'm using Mp3Tag but I miss the duplicate and the no-tags finders.
Thanks in advance!

PS: Sorry for my poor english