Death Note Easter Egg - Misa's Odd Ringtone

In the episode where L meets Misa on To-Oh University Campus, he touches her butt and takes her phone. When she is leaving, Light makes an attempt to call her. When his call gets through, listen to the ringtone. The camera pans to L, andd Misa's ringtone is no other than "The World", the theme for Death Note.