Banned (1989)

Storyline:

Banned 1989 While laying tracks at Impulse Studios, punk rocker Teddy Homicide suddenly snaps, mows everyone down with a machine gun, and then drowns himself in the toilet His soul remains in the commode for 10 years, until the band Banned scrounges together enough cash to cut an album there, and jazz guitarist Kent becomes possessed when sprayed with toilet water