September 11, 2026, marks the 25th anniversary of the 9/11 terrorist attacks that claimed the lives of nearly 3,000 Americans. The concert,featuring  AGO members and choral ensemble Aperi includes the ringing of the Cathedral’s Bells of Rememembrance and Hope dedicated in 2007. Music by Barber, Hovhaness, Kucharski, Langlais, Parry & others.