October 6. Another multi-concert cycle, Orange County's Montgomery Chamber Series is held at the Montgomery Senior Center and has been staging exceptional classical concerts for 25 years. This installment, which also serves as an event benefitting music-student scholarship organization Music for Humanity, features the highly accomplished pianists and composers, Heidi Breyer and Louis Landon. 7:30pm. $15-$25. Montgomery. (845) 457-9867; Villageofmontgomery.org.