Plan B, Florence And The Machine and Dizzee Rascal had earlier performed stellar sets on the weekender's closing day

Tinie Tempah, Plan B, Azealia Banks, Bombay Bicycle Club will also play the event today

Singers speak out as a new campaign is launched to boost earplug use

Ben Howard, Spector and Theme Park also join the line-up for the summer shows

LONDON (Reuters) - Singer Chris Brown soared straight to the top of the British singles charts on Sunday, the latest twist in an unlikely return to mainstream success following his 2009 conviction for assaulting former girlfriend Rihanna. Brown's "Turn up the Music" dislodged "Part of Me" by compatriot Katy Perry, which fell to the fourth slot, ...