George Frideric Handel: Messiah, HWV 56, Part I (19. Recitative (alto) "Then Shall the Eyes of the Blind Be Opened" (20. Air (alto & Countertenor) "He Shall Feed His Flock")) (19. Recitative|alto|"Then Shall the Eyes of the Blind Be Opened"|20. Air|alto & Countertenor|"He Shall Feed His Flock")