I've lost all the music on my IPod Classic
(120GB). Also can't get to the main menu - stuck in the music menu
JA: What OS X (Operating System, e.g. Sierra, El Capitan, Yosemite, etc.) or iOS are you running?
Customer: Don't know - how do I find out?
JA: Have you installed any updates recently?
Customer: I have a new Surface Pro 4 that came with Windows 10
JA: What troubleshooting have you tried?
Customer: I tried the IPod troubleshooting link but couldn't really find out anything
JA: Anything else you want the Mac expert to know before I connect you?
Customer: When I sign in to my account all of my music, except for several albums, is also missing