Eight oil platforms off California are set to be decommissioned in the next decade, but the fate of the structures themselves has yet to be determined. Before Hrishikesh Hirway started hosting the podcast “Song Exploder,” he was a musician himself. Now he has a new EP coming out: “Rooms I Used to Call My Own.” Tory DiPietro’s new neon art installation is lighting up the 3rd Street tunnel in downtown LA with rainbow colors and her love for Los Angeles.