The Composers String Quartet—the quartet-in-residence at Columbia, co-founded by former Vassar music instructor Matthew Raimondi—performed the last three quartets of Beethoven’s Opus 18. The concert was part of a series, begun earlier in the seaon, in which, in honor of the 50th anniversary of Skinner Hall of Music, the quartet presented the complete cycle of the Beethoven quartets. The cycle was completed in a concert in Skinner on October 25.