Beethoven, Bagels & Banter Chamber music by Beethoven and Messiaen; with cellist Robert deMaine and others. The Edye at the Broad Stage, 1310 11th St., Santa Monica. Sun., 11 a.m. $65. (310) 434-3200. Camerata Pacifica Chamber music by Beethoven, Mozart, John Adams and others. Museum of Ventura...