Recovering music from accidentally synced iPhone 4S?

I plugged my iPhone into my parents computer in order to charge it and I didn't realize that it was syncing. When I unplugged the phone, all of my music was gone. I live three hours away and have all of my music on my computer there but I won't be home for several weeks still. Is there any way that I can recover my lost music now?

If you use Apple Cloud by chance, it might be synced on the cloud. Try checking it.

No way, you can only get your music back on your parents' computer.

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