The Rock Exchange
She's just equalled Michael Jackson's record by having five Billboard number one singles from the same album. However, these are different times, and Teenage Dream has sold far fewer copies than Bad overall.
UP 30 POINTS - NERO
The stranglehold of female singers at the top of the UK albums chart is finally broken by this unstarry London dubstep duo.
UP 20 POINTS - THE OLD GREY WHISTLE TEST
The venerable music TV show is celebrating its 40th anniversary with a 16-part Wednesday night series that has just started on, er, Radio 2.
UP 15 POINTS - DECCA
The record label makes-up for its infamous rejection of The Beatles at last, by signing a deal to release the music from Paul McCartney's forthcoming ballet, Ocean's Kingdom.
UP 10 POINTS - REALITY STARS
The return of the X Factor is already having an impact on the charts again, with new music from talent show stars Will Young, Joe McElderry and Olly Murs all competing for high placings on Sunday.
DOWN 10 POINTS - GLASVEGAS
Bottled off at V Festival last weekend and now dropped by their label, the blustery Scots no longer look like the future of rock 'n' roll.
DOWN 15 POINTS - THE NME
A 14.3% year-on-year circulation decline for the last music weekly has just been announced, while Q's not doing much better with a 10% drop. As the web takes over, they're in the same boat as the musicians themselves.
DOWN 20 POINTS - AMERICAN SONGWRITING
Two of the greats have died on the same day, Nick Ashford (Ain't No Mountain High Enough, Ain't Nothing Like the Real Thing) and Jerry Lieber (countless hits for Elvis, The Drifters and more). A good excuse to revisit some amazing music.
DOWN 30 POINTS - MINISTRY OF SOUND
The superclub, now 20 years old, is fighting a plan to build a residental block across the road in Elephant and Castle that would effectively seal its demise. There's a petition at ministryofsound.com/club.
