ORGANOKE in full flow at its home in St Giles' Church, Camberwell, South London A group of friends, casting around for fund-raising ideas to restore the 1844 Bishop & Son organ designed by S S Wesley, at St Giles' Camberwell, in South London, thought a karaoke night with the organ might work.  They added a five-piece band, invited MC Kit Green (in the guise of faded Edwardian Music Hall star, Ida Barr) to get everyone up on their feet singing, and ORGANOKE was given its premiere in 2016 at the Camberwell Arts Festival. It's since become…