L.A. Chamber Orchestra presents an unusual bill of adventurous new music alongside more traditional pieces. Stellar violinist Hilary Hahn, who has an unparalleled, exquisite tone and a sublimely nuanced touch, feints and parries with LACO violinist-concertmaster Margaret Batjer on Bach's Concerto for Two Violins. New Zealand conductor Gemma New also leads LACO through the unpredictable twists and turns of Try, a merry avalanche of orchestral weaving by brilliant LACO composer in residence Andrew Norman (whose new work Sustain receives its world premiere by L.A. Phil at Disney Hall on Thursday, Oct. 4). Also at Royce Hall, Sun., Sept. 30.
The old and the new collide this weekend as