Spotify streams of Destiny's Child have risen by over 550% and Beyonce by 300%, over a one-week period from Monday 28th January to Monday 4th February, following the knock-out half-time Super Bowl set last Sunday. The 14 minute medley of her hits, including a surprise Destiny's Child reunion, is thought to have reached an audience of over 100 million worldwide. Tickets for some dates of Beyonce's 'Mrs. Carter World Tour' went on sale on Wednesday and others will go one sale February 11th, though fans will have to be quick - in 2011, '4 Intimate Nights with Beyonce dates sold out in a record 22 seconds.