Directed by cellist Kivie Cahn-Lipman, Acronym is devoted to resurrecting music of the past, giving modern premieres of long-lost works by forgotten composers. Johann Christoph Pezel's (1639-1694) Opus Musicum Sonatarum is a collection of twenty-five sonatas, organized by key, for two violins, three violas, bassoon or violin, and basso continuo. Each of the first twenty-four sonatas of the of Opus Musicum was given an ascending alphabetical feminine name.