Jump up ^ The libretto of 1761 suggests a one - act reduction .
Jump up ^ The libretto of 1761 provides 6 verses to facilitate the transition between the acts ( Wild and Charlton 2005 , p. 319 ) .
Jump up ^ The libretto of 1761 suggests a one - act reduction and provides 6 verses to facilitate the transition between the acts ( Wild and Charlton 2005 , p. 319 ) .