 "Pentacle" was a suite of five pieces for two harps, which the "Milwaukee Senetinel" described as "ultra-modern" in 1931.Elizabeth Sprague Coolidge commissioned Salzedo to write a piece for harp and chamber orchestra; "Preamble et Jeux" premiered in 1929.In "The New York Times", Henry Prunières said the work had "extraordinary refinement, delicate explorations in sonority, and nice balancing in timbre" while Herman Devries, writing for the "Chicago American" wrote it was "just another of those modern things."