How can I download free music ?
You can download an app which you can download free music the app is called "free music" you better get it soon because you might have to buy it to get it I think it's free for now
an online youtube to mp3 converter, try http://www.vidtomp3.com/
These kind of questions arent allowed on ask...
Mxtube on a jailbroken iDevice
Some iTunes songs are free