478      iPhone_iPad_Mac_apple

How can I find missing music from my library

After updating I-tunes, some of the music that was previously in my library is gone, for instance all of my jazz is gone and Jazz is not even a genre option.  I am also missing 90% of my holiday music.  I would really appreciate any help anyone can give.  Thanks

最后更新：2017-10-03 13:55:41

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