Want a free ringtone? Audiko.net! You can just download a free Usher & Will.I.Am ringtones for your iPhone or mobile. Scope out your favorite moments from your favorite piece of art - OMG (Remix), OMG, Usher & Will.I.Am - OMG (Alvaro Dirty House Bootleg), or any other track. You are welcome to have your track piece both in the MP3 and m4a formats, compatible with both mobile phones and iPhones. Just select a track, and choose free Usher & Will.I.Am ringtones download option.