I have my own AppleID, iCloud account, iTunes Match account and my own Library.
But I have just one computer and one AppleTV.
How do I manage my granddaughters accounts, so they can listen to their own libraries on their iPod touch?
I don't want to mess up login to iTunes with another AppleID and then having to wait 60 or 90 days to log back int.
The best way is to create ther own accounts on your Mac. Method 1 in the following:
How to use multiple iPods, iPads, or iPhones with one computer
Retrieving data ...