Variations on an Enclosure is a work lightly inspired by English composers Derek Bourgeois and Gustav Holst. The principle essence of the piece can be distilled into a single four-note cell, derived from my explorations into the use of ‘enclosures' in jazz melody and improvisation.

An enclosure refers to the technique of selecting a chord tone, or ‘target note', and preceding it with the surrounding notes above and below. I constructed an enclosure around the chord tone C and used a variety o...