British outfit mixed reggae, ska and punk to score seven consecutive top 10 U.K. hits
The Specials, Ghostface Killah help anchor House of Vans showcase
Hyde Park gig with New Order, the Specials, may have been the Brit-pop band's last show
Band will join the Who, George Michael and the Spice Girls
Pop stars expected to play two hits, including 'Wannabe'