Big Sir, a Los Angeles-based outfit that melds electronic pop with touches of jazz and experimental rock, revolves around the core duo of singer/songwriter Lisa Papineau and bassist/multi-instrumentalist Juan Alderete. Papineau is also an eclectic vocalist-for-hire, appearing on projects including Air's 10,000 Hz Legend and Talkie Walkie, M83's Before the Dawn Heals Us, and the Rentals' final tour; Alderete is the bassist for the Mars Volta and also performs with the Omar Rodriguez-Lopez Quintet and Racer X. Papineau played flute and oboe as a child, but she became a performin...