A collection of songs from four of Robat Arwyn's musicals - 'Rhys a Meinir', 'Iarlles y Ffynnon', 'Plas Du' and 'Pwy bia'r gân?'. The songs include word by Hywel Gwynfryn and Robin Llwyd ab Owain, as well as summaries of the shows and background notes by the composer.