How to transfer music from ipod to iphone, without using itunes?

I have an ipod nano & an iphone 4. NONE of my music was saved on itunes, only on my ipod nano. I have no music on my computer either because it was lost due to a broken laptop. Please help me find the best and easiest way to transfer my music.

Also, my iphone isn't jailbroken and I would like to keep it that way.

Http://chendraxo.wix.com/dscases

Once your phone is set up an you enter your Apple ID and password into settings for your cloud account.
Open the iTunes app
Go to the iTunes Store
Click Purchases on the bottom right of screen
Click on the cloud icon to download all past purchases from the iTunes Store.