Midday Music for Organ:  David Yearsley introduces his new recording of the Bach Trio Sonatas.

Return-from-Tour Concert:  Cornell University Glee Club; Robert Isaacs, conductor.  In honor of Cornell’s sesquicentennial, the concert explores ideas relating to Time, featuring repertoire from the Renaissance to the present day, including this year’s commissioned work by Christopher Cerrone, Not One Word, performed on the group’s tour to the northeast.  Admission: $15 adults; $10 students, at www.gleeclub.com and at the door.