Open – KCRW and the Hammer Museum present Disappear Here: Music Made in L.A., four free nights of live concerts by Los Angeles musicians in the Hammer’s courtyard. A happy hour with food and cash bar starts at 6:30 p.m., KCRW DJ sets start at 7:30 p.m., and live music starts at 8:15 p.m. The museum’s gallery hours will be extended to 9 p.m. so guests can enjoy Made in L.A. 2016: a, the, though, only, the third iteration of the Hammer’s bienn more…