Whenever his cell phone rings, which is a lot, Delvon Murray, 18, hears "My Boo," the Alicia Keys-Usher duet. Whenever his girlfriend's cell phone rings, she hears "In Love Wit Chu" from hip-hop ...

Certain ring tones have become extremely famous over the years — especially the default ones that people just can’t be bothered to change. Take Apple’s Marimba, for example. Or the classic Nokia ring ...

First, there were musical ringtones. Then came "ring-back" tones -- tunes that play while a caller waits for someone to pick up a mobile phone. Now cell phones are offering streaming music, with ...