Transferring recordings from iPhone to PC for burning to a CD

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Hello, I've been reading quite a lot on this site, and I think it's really cool that there is such a place for blind and visually impaired people, so thanks to all who have made this possible. I'm a pianist who owns an iPhone 4S. My operating system is windows xp and I have a pc. I want to transfer music I have recorded from my iPhone to my pc, then burn it to a CD. Can someone give me step-by-step instructions on how to do that? I guess I should say that I've recorded using voice memos. I'm also interested in learning more about using garage band, which I have on my phone, but again, I'll need step-by-step instructions. Thanks in advance for any help.