Question: What year was the most notible for a libretto which is an anonymous adaptation of William Shakespeare's wedding comedy "A Midsummer Night's Dream" performed at the Armonico Consort?
Sentence (from "A Midsummer Night's Dream (opera)"): It was premiered on 11 June 1960 at the Aldeburgh Festival, conducted by the composer and with set and costume designs by Carl Toms.
Relevant evidence: No