· Because you just realized you are old: Forty-year-olds look back at their teenage selves, in this concert reading of a musical called 40 is the New 15 at the The Colony Theatre.

· Because you like breathing: How Air Pollution Affects Us All- Forum 2008 at the Mark Taper Auditorium discusses the health risks and the solutions to reducing emissions from the area's largest polluters. [via]

· Because a good rock show can make it all better: Petra Hayden at Echoplex, Magnetic Fields at the Henry Fonda (again), Death By Stereo at the El Rey, The Airborne Toxic Event at the Troubadour.

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