Cherry Street Music (CSM) will present a concert — Classical with a Twist: Champions for Change — featuring works in honor of musical giant and staunch advocate of human rights, cellist Mstislav Rostropovich. This concert will be performed by CSM Director Allison Eldredge on the cello, Max Levinson on the piano, and Andres Guerra on the guitar. It will take place on Sunday, October 6, 3PM at the Allen Center (35 Webster Street, West Newton). Tickets are $35 for general admission, $50 for priority seating.