"a bit like musical crack" - Synthtopia TonePad Pro is the easiest and coolest way to make music. Discover the inner musician in you. Create songs by simply touching the screen and seeing notes light up. Share your unique creations with friends. The Pro version is all the goodness of TonePad with the added ability to create custom ringtones. Email the ringtone to yourself or a friend. Add the attached ringtone file into your iTunes library o...