Milford. In another Kindred Spirits Arts Programs homage to Beethoven, hear the Kopelman-Feigelson Trio -- Mikhail and Elizaveta Kopelman and Yosif Feigelson, artistic director of Kindred Spirits -- in free, live online presentation to be held at 7:30 p.m. on Saturday, Sept. 19. The trio will play chamber music masterpieces for violin, cello, and piano. They will explain the history behind the music and answer questions via Facebook comments (facebook.com/kindredspir) and YouTube chat (youtube.com/user/ksprograms1). The program is also available at kindredspiritsarts.org. Ludwig van Beethoven was born on Dec. 17, 1770, making this his sestercentennial (or quarter-millennial) year. Kindred Spirits is a nonprofit organization with the mission, “We entertain, educate, enlighten.)