Q: What happened to my iTunes? Missing songs that I purchased last year and some playlists are gone as well. Thot iCloud would have with the 5G free storage - ???

Thot I had 5G of storage for my iTune songs - I am missing songs, can think of 8 off hand, purchased last year and some playlists are gone as well - why aren't my songs in iCloud if not in my Library ? - Where did my songs go ? -