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WARNING: iCloud Music Library just destroyed my Mac's iTunes Library

I have a 13000 song library on my iMac. Installed iOS 8.4 on my iPhone this morning and had Apple Music and iCloud Music Library going...Everything was working fine on the device. Got home and installed 10.10.4 and iTunes 12.2 on my iMac. It asked to turn on iCloud Music Library and I accepted. All of the sudden it starts overwriting my album art with completely wrong art (example: Weezer showed art for a Radiohead album) on both my iMac AND my iPhone, screwing up metadata by putting random songs in albums where they didn't belong (there was a Cursive album where the first track was listed as a Foo Fighters song). Even worse, when I'd click to listen to certain songs, it would play the wrong song/artist, like the metadata was hijacked. What in the ****? I've had this library organized perfectly for the better part of a decade and Apple Music screwed it up in minutes.


I was able to restore everything through a Time Machine backup and made sure NOT to turn on iCloud Music Library when I re-opened the .itl file. What a disaster. Hopefully someone from Apple reads this. Thinking it may have something to do with a iTunes Match account I had briefly a few years back. But yikes, can't believe how much damage it did in 5 minutes.

Posted on Jun 30, 2015 7:45 PM

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625 replies

Jul 1, 2015 4:12 PM in response to AppleThree

you don't need a subscription to iTunes match for this. Just read through the thread I linked, it only involves renaming your iTunes folder. After that you reactivate the iCloud library, which is now supposed to be the equivalent to iTunes Match. This might be the root cause of the problem, mixing iTunes Match with the new iCloud library

Jul 1, 2015 5:06 PM in response to Zackadelic

I ran into this problem too. I had turned off iTunes match because of all this mess and cancelled my subscription. Now this.


One question from your steps.


If you try to drop the restored .itl file it will ask if you wish to replace. I changed the corrupted file name first.


You have a step of: Rename the previous iTunes library that you just dragged in to iTunes Library.itl


I don't understand why you must rename this. To what? Why? I did it without renaming it and it seems to work.


Clay

Jul 1, 2015 5:33 PM in response to Zackadelic

I did everything that you said but my library is still messing up when I click a song. I went into preferences to turn off the Apple Music and the iCloud sharing thing. I'm just so upset, all the years I spent on organizing my library and its all ruined. I have an older iPod with all of my music, should I just delete all my music and upload whats on there. But I want to make sure that everything associated with apple music is turned off. PLEASE HELP

Jul 1, 2015 5:33 PM in response to Zackadelic

Library was restored, I made sure to click no to iCloud. As soon as I played one song, the tags changed by themselves and my that's the beginning of it becoming screwed up again. Joining the service was one of my biggest mistakes. My library is now wiped, and the music is in the iTunes folder but I see that the tags are all screwed. This is such a huge mess. Completely disappointed with this service.

Jul 1, 2015 6:07 PM in response to Tuff Ghost

I got victimized by this as well. Upgraded to iTunes 12.2, agreed to turn on iCloud Music Library, and quite a bit of the metadata in my iTunes music library got seriously messed up. I am currently working through Kottemer's suggestion above. I used to have an active iTunes Match subscription but that was canceled long ago. Instead, I am creating a new iTunes library and letting it use iCloud Music Library in order to delete all of the stuff that's currently stored there. Thankfully, I make regular clones of my MacBook Pro SSD so restoring my iTunes library prior to this mess will be easy.


After deleting everything from my iCloud Music Library, I restored my cloned iTunes library and verified that everything is OK. I then turned iCloud Music Library back on. All all my songs now show a cloud icon with an X inside id.

User uploaded file

When I click on this icon, iTunes prompts me to add the sone to my iCloud Music Library. I am going to do some experimentation with this to see if adding songs to my iCloud Music Library corrupts anything.

Jul 1, 2015 6:23 PM in response to jkwuc89

Hello Jkwuc,


I had an iTunes match subscription that got very corrupted and I attempted the same thing with starting a new library. I had the same problems you encountered. I also tried syncing an empty iTunes match library and letting it sit for 7 business days just to see if it would clean it all out. Nothing showed on my devices that way when I activated the cloud. So then I moved all my music back into a library. As soon as it synced again, iTunes match was screwed up again. I finally gave us and Apple was "nice enough" to fully cancel iTunes match and give me a refund.


Now, with this cloud business, all of the problems I had with iTunes match have returned. I'm very hesitant to do any more experimentation given how long it took me before and I never got anywhere. Apple wanted me to call them to discuss it. I gave that one shot, was on the phone for 45 minutes, and I felt like I knew more about it that the apple tech. I gave up.


Just wanted you to know others feel your pain.


If you find something that works I would love to hear it. Thanks.

Jul 1, 2015 6:26 PM in response to jkwuc89

One question about how you've gone about it.


When I tried creating a new library and bringing my music in, I lost all the playlist and such. I didn't want that obviously. How did you do it? Did you lose any tags, playlists, etc?


I wonder if somehow it's tied to the apple user ID rather than the library files given I couldn't get past whatever was corrupted. I tried following instructions I found online as to how to clear it with no success. I've now cancelled iTunes match so I don't have that to play around with anymore.

Jul 1, 2015 6:37 PM in response to Ramblinmanva

With my iTunes library safely cloned away on an external HD in case something goes awry again...


I restored my cloned library after deleting everything from my iCloud Music Library. I then selected every song with the "missing from iCloud" icon, right-clicked and selected "Add to iCloud Music Library".


iTunes is now uploading "something" to do this because Activity Monitor is showing a lot of upload network traffic from iTunes. I am going to let this run overnight and report my results tomorrow.

Jul 1, 2015 6:48 PM in response to Tuff Ghost

I replaced my iTunes Library itl file which in the past has always restored my playlists with no problem. It's not working this time. All of my playlists have been corrupted. Is there another file too?


(Edit): I just realized I restored from a time capsule file that was done right after installing the new iTunes. Went back to the night before, restored, all the playlist are back like they were. Sorry for the false alarm.

WARNING: iCloud Music Library just destroyed my Mac's iTunes Library

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