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Warts and All Compilation of witty theatre songs by Drewe and Stiles, performed with gusto by the incandescent Alison Jiear and Aled Jones. Yes, the Aled Jones. Watermill, Newbury

Observe the Sons of Ulster Marching towards the Somme (above) Frank McGuinness's elegiac First World War play in an outstandingly lucid and moving production by Patrick Mason. Don't miss. In rep, Barbican, London EC2

The Glass Menagerie One last week to see Zoe Wanamaker and Claire Skinner shine in Tennessee Williams's heartbreaking masterpiece. Comedy Theatre, London WC2

David Benedict