Listen to Handel: Messiah, HWV 56 / Pt. 1 - 18a. Duet: He Shall Feed His Flock online. Handel: Messiah, HWV 56 / Pt. 1 - 18a. Duet: He Shall Feed His Flock is an English language song and is sung by Brian Asawa, Nicole Heaston, Les Musiciens Du Louvre and Marc Minkowski. Handel: Messiah, HWV 56 / Pt. 1 - 18a. Duet: He Shall Feed His Flock, from the album Handel: An Introduction, was released in the year 2020. The duration of the song is 5:21. Download English songs online from JioSaavn.