Flute Duet Flute - Level 1 - Digital Download SKU: A0.1251435 Composed by Franz Joseph Haydn. Arranged by Lynette Auberjeunois. Christian,Classical,Praise & Worship,Religious,Sacred. Score. 5 pages. Flute Files Publishing #845721. Published by Flute Files Publishing (A0.1251435). O Worship the King flute duet sheet music.  Composed by Joseph Haydn.  Arranged by Lynette Auberjeunois for late beginner level.  Digital download includes a two page flute duet score in the key of F.  Range: Flute 1: C2 - C3, Flute 2: A1 - G2.  Published by Flute Files Publishing (RL42-0056).