1. A soothing song with which to lull a child to sleep.

2. A kick-ass book about how these songs can kill, written by a guy named Chuck Palahniuk who also wrote the novel Fight Club.

A song usually made for the females in which the singer talks about love and catching feelings for females. Usually a hardcore rapper sells out by making one of these.

Book that beats the shit out of Death Note. Story of a man who finds out that a lullaby he sung to his late son kills, and he and a friend try to keep it out of the hands of a psycho.