The Sound of Music, Open Air Theatre, Regent's Park, London
Open Air Theatre, Regent's Park, London: "I have confidence in sunshine/ I have confidence in rain," sings Maria in The Sound of Music. At the Open Air Theatre in Regent's Park there's always the possibility of both. The rain happily held off on the press night for its first-ever production of a Rodgers and Hammerstein musical (though it has previously presented the Rodgers and Hart shows Babes in…