How to Import Songs from an iPhone 4 to my computer?

How to Import Songs from an iPhone 4 to my computer?

I Believe You Take Your Charger And Separate Your USB From The Actual Bulky End Of The Chager. Plug The Part You Usually Plug You IPhone In To Charge. Then You Find The USB Port Of You PC Or Mac And Just Plug The Other End In.

You'll have to install itunes on your computer, once installed you would be able to download or upload stuff between iphone & computer.

However, some music can't be imported from iphone to computer, to solve that you may have to re-download the purchased stuff again.

How? See source.