The Cambridge Club Festival, which is once again supported by the Cambridge Independent \- three days of music, comedy and more at Childerley Orchard on the outskirts of Cambridge – is now under way. Taking to the main stage over the course of the weekend (Friday, 7 June-Sunday, 9 June) will be a host of top international acts, including Chaka Khan, Jessie Ware, Earth Wind & Fire Experience, D Train, Gabrielle, Incognito, Melanie C, Natasha Bedingfield, Rebecca Ferguson, Sister Sledge, Soul II Soul, The Family Stone and more. Chaka Khan will close the weekend on the Sunday. As a 10-time Grammy…