Hear a playlist of songs thought to create the phenomenon
The hitmaker hints that he's worked with the British singer
Mumford & Sons, Coldplay, Florence + The Machine, Kings Of Leon and more also make list
Songs by Kelly Clarkson, Miguel, Passion Pit and more also removed
Singer calls the former Wham! frontman her 'hero' in Twitter post
Adele's '21' was released in 2011 and has sold over 4.74 million copies
The singer beats Amy Winehouse, James Blunt, Leona Lewis and Dido to top spot
Singer had been rumoured to be making live return at 2015 festival
Photo was uploaded by star to her Instagram account yesterday (January 22)
The follow-up to 2011's '21' is mooted for release later this year
Singer is understood to have "made a donation" to charity in lieu of recording vocals for the single
Chris Martin, Ed Sheeran and One Direction all performing on the charity single
The singer is alleged to have not replied to Collins' interest in a collaboration
The singer's record label say 'There will not be a further new release by Adele during 2014'
Singer sued picture agency over photos of one-year-old Angelo Adkins taken in a playground
Martin Mills of Beggars Group says there is "no truth" in speculation
OneRepublic's Ryan Tedder and Phil Collins have both claimed they are writing with the singer
One Republic frontman worked on both Adele's second album '21'
Court confiscates over 200 albums as punishment for playing the singer at a "prominent, intrusive and very high level"
Singer-songwriter claims he is working on follow up to '21'