 Williams composes for solo piano, chamber ensembles, choir and solo voice.Works for orchestra include New West Overture, Rising Stars Overture, Oceanic Overture, American Prairie Sketches, Tarantella for piano and orchestra, composed for pianist Sean Chen; Princess Concerto for piano, narrator and orchestra; and The Gates of Hell a series of tone poems based on the Rodin sculptures.Williams catalogue for solo piano is extensive, with over twenty suites.