X FACTOR stars Next Of Kin entertained hundreds of screaming children who made posters and banners for a special gig.Lawford Mead Junior School in Trent Road, Chelmsford, hosted Nate, Mark and Kieran Bass on Friday.The brothers, originally from Braintree, but now living in Witham, performed some of the most popular songs they cover, such as Higher Love by Steve Winwood and Human Nature by ...