Baroque. Round or Rondeau is a movement from the incidental music written in 1695 by Purcell for the play Abdelazer. Most know it as the theme used by Benjamin Britten for his set of variations, The Young Person's Guide to the Orchestra. The music in theoriginal key of D minor has been arranged by Jeremy Kempton for standard brass quintet with parts for trumpets in B-flat. For advanced performers. -the publisher