Scherr Forum, 2100 E Thousand Oaks Blvd, Thousand Oaks. May 17th. Camerata Pacifica at the Bank of America Performing Arts Center — the chamber music ensemble that has been building its Thousand Oaks audience for decades by playing serious music in a room that takes it seriously. Chamber music is the most intimate scale of classical performance. The ensemble is small enough that the individual instruments are audible as individual voices — the cello has a line distinct from the bass, the violin is a separate conversation from the viola, the piano is a third thing entirely. The Scherr Forum's acoustics make that distinction legible in a way that a …