The Chicago Symphony Orchestra’s 2024-25 season concluded June 19-24 with four performances of Verdi’s Requiem Mass, a signature work of conductor Riccardo Muti, CSO Music Director Emeritus for Life. (Todd Rosenberg Photography) Commentary: In concerts preceding the Requiem, Riccardo Muti spotlighted the CSO’s stellar principal trumpet, Esteban Batallán.