Instrumental Duet Instrumental Duet,Organ,Piano - Level 3 - Digital Download SKU: A0.899290 Composed by Netherlands Folk Song. Arranged by David L. Watson. Christian,Sacred. Score and parts. 3 pages. David L. Watson Music #4984311. Published by David L. Watson Music (A0.899290). Easy, accessible, and adaptable 2-staff Organ and Piano Duet. Suitable for general worship or special events. Two copies are needed for performance.