Instrumental Duet Flute,Instrumental Duet,Organ - Level 3 - Digital Download SKU: A0.771821 Composed by Gregory Hamilton. Christian,Concert,Sacred,Spiritual. Score and parts. 3 pages. Dr. Gregory Hamilton #2919787. Published by Dr. Gregory Hamilton (A0.771821). Four Liturgical Pictures for Flute and Organ I Solemn Processionwww.gregoryhamilton.org