Members of the U-M Life Sciences Orchestra are joined by friends to perform Mozart’s Sinfonia Concertante, K297b and the Beethoven Piano Quintet, Op. 16. In addition, the group will play an excerpt from either the Beethoven or Mozart piano quintets. The musicians in the group are doctors and university professors based in Ann Arbor: William Burnham, clarinet; Ruth McAdams, oboe, Amy Kilbourne, bassoon and Edward Norton, horn. The piano accompanist is Tracey Baetzel.