Clyde ripped all his CDs and has the music on his phone, but he doesn't have any backups anymore. How can he back them up from his phone? Leo says that if you backup your mobile phone, your phone backs it up. But Leo wants Clyde to also make a separate, accessible copy of the music from his phone. Connect your phone back to your computer and then let iTunes back it up and add those phones to the iTunes library. Here's how. There's a third party program called Senuti that can also work.
But you want to do it right away because one copy of something isn't a backup. And if you lose or break that phone you lose all your music.