Remixes include David Bowie, John Lennon and Gangnam Style
This year's winner's single will be released a week earlier than in previous years
7.5billion songs were streamed over the past year – up from 1.1 billion in 2011
Industry body says new music service 'undermines artists'
British charts will see an influx of foreign-language acts after success of Psy's 'Gangnam Style'
Committee to make crucial decision on future of Islington venue meets tonight