Stunning countertenor in a Spitalfields festival double dose of English song: viol-accompanied works from William Byrd to Elvis Costello at 6.30pm; 20th-century originals and Purcell arrangements for voice and piano at 9pm
Christ Church, Commercial St, London E1 (0171-377 1362)
Swift return of Will's boy and his histrionic self-regard.
Cambridge Junction (01223 412600)
Adapted from texts by Seneca and Euripides, the story of Ariadne's sister who falls in love with her stepson is full of contemporary resonance in this dazzling production by the Romanian director Silviu Purcarete.
Riverside Studios, London W6 (0181-741 2255). 21-24 JuneReuse content