Judy Bailey is a jazz pianist and composer. Her work Two-Part Sketch (2017) is a big band piece featuring distinctive changes of metre between 4/4 and 3/4. Scores for Two-Part Sketch can be purchased here from the Australian Music Centre.
A big band is a large jazz ensemble, typically consisting of saxophones, trumpets, trombones and a rhythm section. Big bands developed during the early- to mid-1900s and focussed more on written arrangements than improvisation.
The structure of Two-Part Sketch is as follows:
Head
A section ("Comfortably fast - swing" in 4/4)
B section ("Relaxed waltz" in 3/4)
A section
Solos
Switching between 3/4 and 4/4
Soli sections
Saxophones in 3/4
Trumpets in 4/4
Trombones in 3/4
Whole ensemble in 4/4
Head
A section
B section
Coda
Head
Solo
Soli/tutti
Horns/brass (saxophones, trumpets, trombones)
Rhythm section
Walking bass
Polyrhythm