Peter Russell and Leigh Holman listen to Chad Karl, (cq all), perform an audition for an upcoming performance, within the Denver Musicians Association Building, 1165 Delaware St., Denver, Colo., Tuesday October 17, 2006. Peter Russell, Opera Colorado, par
Steven R. Nickerson, Peter Russell and Leigh Holman listen to Chad Karl, (cq all), perform an audition for an upcoming performance, within the Denver Musicians Association Building, 1165 Delaware St., Denver, Colo., Tuesday October 17, 2006. Peter Russell, Opera Colorado, par (10/17/2006), [434084108] . Denver Public Library Digital Collections, accessed 15/02/2026, https://digital.denverlibrary.org/nodes/view/812798