It’s Your Birthday – Group Exhibition – London   Private view: Wednesday April 27th, 6:30 – 8:30 pm. Darbyshire, 19-23 White Lion Street, first floor, London, N1 9PD.   Text from Derbyshire’s webpage: “Darbyshire is pleased to announce It’s Your Birthday, the first ever group show of Cubitt studio artists, in the spirit of their 25th anniversary as an artist-led organization, which is located in the same building as Darbyshire in Islington. We enjoy having Cubitt next door as fellow travelers through the London art scene, and their landmark quarter century birthday is a hard won, collective achievement well worth…