If you have e-mail accounts in both machines, you could attach a music file to a mail and open it up the other end.
I know little about iAnything but I suspect they use a different format so are you sure there won't be problems if you do transfer them? Send one by e-mail and test it before doing anything else.
Either way, I'm moving this thread from Android to Laptop general and I suggest you also post your question in the Apple related sub-forums.