Rutter Requiem: Conductor Frank Anonia leads professional instrumentalists, current Gerry Music Studio students, alumni, friends and professional singers in this choral work. Also the chamber vocal ensemble Interrupted Silence led by William Marshall featuring works of Hagenberg, Jenkins, and Weelkes and organist David Christopher from Wilmington, Delaware. 7 p.m. First Presbyterian Church of Allentown, 3231 W. Tilghman St., Allentown. $15. 484-560-1248. gerrymusicstudio.com.