Instrumental Duet Instrumental Duet,Piano - Level 3 - Digital Download SKU: A0.1031060 Composed by Ryan Maxwell. 20th Century,Contemporary. Score and parts. 24 pages. RPMusic #2864959. Published by RPMusic (A0.1031060). The perfect piece for couple of learning piano players! Flux in an Odyssey is an exciting piece that is sure to entertain your audience. This piece will challenge your dexterity and speed on the piano. So find a friend and get playing!! .