Members of the Chicago Symphony Orchestra brass section, featured on the video project “May There Always Be Sunshine,” offer quick descriptions of their respective instruments and the roles they play in the orchestra. The musicians are: Esteban Batallán, principal trumpet; Tage Larsen, trumpet; David Cooper, principal horn; Michael Mulcahy, trombone, and Gene Pokorny, principal tuba. To watch the full “Sunshine” video, please go to https://cso.org/csotv/cso-for-kids/may-there-always-be-sunshine/