[ad_1] At a parrot-green house in El Sereno, the Grammy-winning band Quetzal was tuning up for a monster jam rehearsal, a few weeks ahead of its free Saturday night concert in downtown L.A. The violinist had just arrived. A drum kit, piano and congas stood by in the living room. But first the band’s founders,… Continue reading Quetzal makes music that makes people take to the streets