By Caldwell Titcomb August 3: The Old West Organ Society presents the award-winning, young organist Jacob Street in a program including works by Buxtehude, J. S. Bach, and Mendelssohn. He will also play music by Jean Langlais (1907-91) and Gaston Litaize (1909-91). At Old West Church, 131 Cambridge Street, Boston, MA, 8 p.m.
Boston Chamber Music Soceity
By Caldwell Titcomb Nov 1: Dinosaur Annex celebrates the 80th birthday of composer Yehudi Wyner with two of his works, plus music by David Liptak, Stefan Hakenberg & others. Wyner will himself perform. Goethe-Institut Boston, 170 Beacon Street, Boston, at 7:30 p.m. (Talk with composers at 6:30 p.m.)