The chamber chorus Cantori New York and the saxophone quartet Prism will give the US premieres of three works for chorus and saxophone quartet, conducted by Mark Shapiro. There are two performances: on Saturday March 10 in New York at 8pm at the Church of the Holy Trinity (Episcopal) at 316 East 88th St. (between 1st and 2nd aves.) and on Sunday March 11 at 4pm in Philadelphia at the Trinity Center for Urban Life on 22nd and Spruce Streets. The program includes US premieres by Erkki-Sven Tuur, Giya Kancheli, and Hugi Gudmundsson, as well as music by Astor Piazzolla and the Beatles. More info is available at www.cantorinewyork.com.