Original: Pears was co-librettist for A Midsummer Night's Dream, and created one of his few comic roles in it: As Flute the Bellows-mender he performed a drag parody of Joan Sutherland in the mad scene of Lucia di Lammermoor.
Simplified: In this role he was dressed up as a female and did a parody of the great opera singer Joan Sutherland singing the mad scene from Lucia di Lammermoor.