Excerpts from the medieval musical, "The Play of Robin & Marion", is featured on this Continuum. Composed by the 13th century trouvère Adam de la Halle, this pastoral work is considered by some to be one of the first operas written. The recording is an historic live performance given in 1984 by musicians of the Schola Cantorum Basiliensis, the famous early music school in Basel, Switzerland. CD is "Le Jeu de Robin et Marion", Focus 913.