Piece No.4 uses a variety of techniques from Jazz and Classical music.
Firstly, it is a concerto for our bassist Mike Kime who improvises his solo throughout the work. Secondly, the piece has a mosaic structure. The sections in the piece can be played in any order which is decided upon by the conductor as the piece progresses. This lends a dynamic and exciting atmosphere from which the textures and solo in the piece develop.