American Dad Wikia
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Insane

"Insane in the Brain" is a 1993 song by American hip hop group Cypress Hill, released as the first single from their second album, Black Sunday. In addition to hitting number one on the US rap chart, the song also was a mainstream hit, reaching number 19 on the Billboard Hot 100.

In "A Song of Knives and Fire", Francine listens to K-97 in her car, a radio station that plays music without the lyrics so that the listeners can freestyle rap on their own. In an effort to help Stan with his dream of becoming a firefighter, Francine has found herself becoming an arsonist.

Lyrics[]

Oh, makin' those flames grow
You know I gotta start those in-fer-nos
But watch me maintain, cuz a Franny like me
Is to-tally sane
I'm sane in the membrane
I'm sane, in my brains
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