The instrumental ensemble for "I Hear the Prophet Callin'" includes a Conductor's Score and parts for Piano; Flute/Penny Whistle/Alto Flute/Recorder; Oboe/English Horn; Horn; Accordion; Autoharp; Guitar (Steel Strings, Nylon Strings)/Mandolin; Hammer Dulcimer (Harp); Percussion 1 (Bells, Chimes, Xylophone); Percussion 2 (Bodran/Drum, Sus. Cymbal, Claves, Tambourine, Finger Cymbals, Cabasa, Shaker, Guiro, Maracas, Glass Bottle (and knife), Triangle, Medium Cowbell, Vibraslap, Castanets, Large Cowbell, Congas, Wind Chimes, Drum, Bell Tree, Snare Drum, Woodblock, Crash Cymbal); Percussion 3 (Sus. Cymbal, Congas); Violin 1/Solo Violin; Violin 2; Viola; Cello; and Double Bass.