Bassoon,Flute,Instrumental Duet - Level 3 - Interactive Download SKU: A0.1457081 Composed by Tyler James Cook. This edition: Interactive Download. Classical. 3 pages. Duration 37. Tyler James Cook #7hn6uJ1Su4n5RchUrzH58Y. Published by Tyler James Cook (A0.1457081). Key: Eb major.“Imperfect Symmetry” is an experiment in multimeter composing. A duet for alto flute and bassoon, the bassoon takes the lead in this enigmatic little piece.