sentences:  Music played a central part in "Fraggle Rock".Every episode featured two or three original songs co-written by Canadian poet Dennis Lee and Philip Balsam, as well as incidental music.Several episodes (usually involving Cantus and the Minstrels) focused primarily on music—such as Red Fraggle's attempt to find "her song" for the Fraggle Medley, or the effect of music on the breaking of winter or the presence of light in Fraggle Rock.