Colours is a new and wel­come addi­tion to Lon­don’s ever-shrink­ing ros­ter of music venues. The team behind much-loved Lon­don venues Queen of Hox­ton, The Book Club and Brighton’s Pat­terns are open­ing a brand new mul­ti-arts-bar and club called Colours in Hox­ton Square, East Lon­don in Sep­tem­ber. There will be a pro­gramme of music, art and…