ウェブPremiere. 25 May 1715. ( 1715-05-25) King's Theatre, London. Amadigi di Gaula ( HWV 11) is a "magic" opera in three acts, with music by George Frideric Handel. [1] It was the fifth Italian opera that Handel wrote for an English theatre and the second he wrote for Richard Boyle, 3rd Earl of Burlington in 1715.