You know the option in Banshee to change the whole folder structure of your music collection according to the meta date? I enabled that. Problem was that it only seemed to change it from the moment you opened the "Change track info" dialog and hit the save button. I wasn't planning to do that for my whole collection, so I looked for an easier solution. I selected the whole collection (CTRL+A), and went to "Change track info". There my eyes fell on a button labeled something like "Synchronize all" (I guess the translation was just unclear), and it seemed to me that that would do what I was searching for... It didn't. In stead, it applied the same artist ID3 tag to my whole music collection, and because of the option for changing the folder structure enabled, it changed the filename for all of those songs too. So I've got a bit of a problem here...
The only things still intact is the title and album of the song (title's also in the filename itself). But the artist has been set to the same for every song. So, my question: Is there a way to rollback the changes? Or is my music collection permanently ruined? I haven't got my hopes up very high, but I figured it's better to ask than to just deleting everything.

closed as off topic by belacqua, jrg May 23 '12 at 17:19

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    Update: I've already managed to recover about a bit less than half of my collection using MusicBrainz Picard. – RobinJ Nov 10 '11 at 22:03
  • It's very confusing to read what you have done, as you use wrong wording and your sentences are bad. How did you manage to loose all meatdata but still have album and title tags intact? – zetah Nov 10 '11 at 23:08
  • @zetah, I think the question is pretty clear. When you open multiple tracks with Banshee's track editor, you have the option to apply your metadata changes to all selected tracks. RobinJ must have done this for the "artist" field, which broke the metadata and folder structure for all of the songs in the library. – Michael Martin-Smucker Nov 10 '11 at 23:46
  • @RobinJ I assume you also have the "Write Metadata to Files" option checked in Banshee's preferences...? If not, then the changes you made only affect Banshee's database, but the actual song files would still have correct metadata. – Michael Martin-Smucker Nov 10 '11 at 23:49
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    No easier way that I know of. :( Starting over might be your best bet. – Michael Martin-Smucker Nov 11 '11 at 14:39

The answer to this was provided in the comments.

Probably the best approach is :

1) File a bug report.

2) Restore what you can using "MusicBrainz Picard"

3) Manually restore with last.fm

If you have a Last.fm account (and a little bit of free time), you may be able to use the Last.fm Fingerprint extension for Banshee to clean up the songs that Picard didn't fix.

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