by Rachel Beaumont
1 July
Hype victim: Gruppen at Tate Modern
29 June
Never mind the Nazis: Lohengrin at the ROH
14 June
It is a competition: Romeo and Juliet by the BRB
6 June
Cellophilia: Piatti Quartet at the Razumovsky Music Studio
4 June
Rolls Royce plus gremlins: Siegfried at the Bridgwater Hall