EJ124 Colorado Symphony timpani player William Hill (cq) plays the Marimba in the rehearsal room backstage of Boetcheer Concert Hall on May 2, 2006. He'll be premiering his percussion concerto with these instruments with the orchestra. (ELLEN JASKOL/R
Ellen Jaskol, EJ124 Colorado Symphony timpani player William Hill (cq) plays the Marimba in the rehearsal room backstage of Boetcheer Concert Hall on May 2, 2006. He'll be premiering his percussion concerto with these instruments with the orchestra. (ELLEN JASKOL/R (05/03/2006), [433420469] . Denver Public Library Digital Collections, accessed 15/02/2026, https://digital.denverlibrary.org/nodes/view/930150