Mullen showed no signs of heart trouble and a doctor told the Los Angeles Times, “Sometimes your number is just up.”

The founder of the late ’70s club brought in an endless supply of punk rockers, creating a West Coast foundation for the genre. Bands that called the Masque home included The Germs, Go-Go’s, X, The Dickies, The Plugz, The Weirdo, The Skulls and The Flesh Eaters. In lieu of flowers, Mullen’s family has requested donations to the Musicians Union or MusiCares.

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