Happening Monday

Official End of the World Party A quartet of local indie rock up-and-comers mark the second day of 2012, which — if Mayan predictions are accurate — is the final year for Mother Earth. Revent, Albert Garrett & the Bad Romantics, Gunpowder Secrets and Sabroasa Purr will woo the audience with a diverse display of grunge, pop punk and alt-rock. The Viper Room, 8852 W. Sunset Blvd., West Hollywood. 7:30 p.m. $10. (310) 358-1881. viperroom.com.