Instrumental Duet Clarinet,Flute,Instrumental Duet - Digital Download SKU: A0.980217 Composed by Winthrop Brookhouse. Arranged by Winthrop Brookhouse. Contemporary. Score and parts. 12 pages. Winthrop brookhouse #6022353. Published by winthrop brookhouse (A0.980217). This trio for flute and 2 clarinets is in 5/4 time with multi-key signatures in sharps. A pastural theme is mostly in the flute with all instruments getting a chance to shine. The first eleven bars are just the two clarinets.