Baroque. Short prelude in F major in the Baroque style. John Blow (1649-1708) was an English composer, organist at Westminister Abby, and was Henry Purcell's teacher for a time. Substitution parts included: French horn substitution for Eb treble clef instruments; trombone substitution part for Bb treble clef instruments; tuba substitution part included for Eb bass clef and Eb treble clef instruments. -pc