Along with a concerted effort to commission new works for brass quintet since 1967 the bulk of any brass quintet's repertoire consists of arrangements of pre-existing music. Victor Ewald's four brass quintets are the first serious attempts at establishing a repertoire for the ensemble, though they do not stand up to typical string quartet repertoire of the same and preceding eras. The Chicago and New York Brass Quintets made sustained efforts to commission new works, and much of the original repertoire for brass quintet from the mid-20th century derives from their groundbreaking work. In the 1960s the mantle of creating a repertoire for brass quintet was taken up by the American Brass Quintet and the New York Brass Quintet, with both groups essentially establishing the brass quintet as a p