Calvin Harris only by the 2012 set of Dr. Dre and Snoop Dogg which featured a hologram of Tupac Shakur. That year, Harris was also a headline act at several prominent music festivals, including Lollapalooza, Austin City Limits Music Festival, the iTunes Festival in London, Electric Daisy Carnival and the iHeartRadio Music Festival. The third single was Harris's collaboration with vocalist John Newman which was titled "Blame". It was released in September 2014 to positive reviews from music critics and debuted at number one on the UK Singles Chart, giving Harris his third consecutive UK number-one single (and his seventh solo single
UK Singles Chart the United Kingdom. The final number one on the UK Singles Chart to be based on sales alone was "Gecko (Overdrive)" by Oliver Heldens featuring Becky Hill. On Sunday 6 July 2014, the Official Charts Company announced that Ariana Grande had earned a place in UK chart history when her single "Problem" featuring Iggy Azalea became the first number-one single based on sales and streaming data. On 7 December 2014, Ed Sheeran's "Thinking Out Loud" became the first single to reach number one as a direct result of streaming inclusion. Despite Union J's "You Got It All" topping the Sales