Tuesday, April 27: A concert or new music will be performed by the Dynamic Motion String Quartet: Cynthia Marcus Smith and Ann Marie Bermont, violins, Nikki Federman, viola, and Zsaz Rutkowski, cello, plus additional soloists, featuring Four Vignettes by Roger Blanc, Quartet No. 2 by Robert S. Cohen, Hubert Howe's Sextet, Eugene Marlow's "Une Jeune Fille" Variations, Peri Mauer's Morning, Night, and Noon, and Viola & Piano Fantasy by Nataliya Medvedovskaya. The concert will be at St. Peter's Church at the Citigroup Center, 619 Lexington Ave at 54th St., at 8pm. Suggested donation: $20; Students free. Sponsored by the New York Composers Circle.