different generations. "It's certainly not something I have striven for, but I've always said the key to survival is not being afraid of the future." And where did the crowds head when the Good Times bus was unable to take its rightful place in W11 at last year's Carnival? A few blocks down to hear Gaz Mayall , 54, spin his infectious blend of blues, funk, ska and soul. "When you're young, you always wish you were that bit older so you could have been part of something cool that's passed," says Norman Jay. "As a DJ, you physically demonstrate that link between the present and the past." Still topping the bill Frankie Knuckles in 1977 Frankie Knuckles at Bestival, 2011 Grandmaster Flash then... and now It was in the Seventies that turntables became instrumental in making music, with the DJ-led hip hop exploits of Grandmaster Flash and the Furious Five and The Sugarhill Gang. Lifting that Chic bassline for ' Rappers Delight ', the 'Gang displayed an early knack for sampling. As the Eighties arrived, records made by DJs were beginning to dent the charts and the nightclubs they played in were fertile breeding grounds for new forms of dance music. In Chicago's Warehouse club, Frankie Knuckles' blend of disco and synth pop gave rise to house music. In November, Knuckles -- now 57 -- will top the bill at one of East London's newest nights, Spin Off . The disco pioneered by the late Larry Levan at New