 In 1939, he made his concert recital debut at The Town Hall, singing selections from Johannes Brahms, Francesco Cavalli, Alessandro Stradella, and Richard Strauss.Knight made his Broadway debut in October 1940 as the featured singer in "It Happens on Ice", and in 1942, he sang the role of Camile de Jolidon in Franz Lehár's "The Merry Widow" at Carnegie Hall.In his final Broadway role, he played Almaviva in "Once Over Lightly" in 1942 with Igor Gorin and Grace Panvini; the production was based on Gioachino Rossini's "The Barber of Seville".