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 topped the UK Singles Chart. The precise number of chart-toppers is debatable due to the profusion of competing charts from the 1950s to the 1980s, but the usual list used is that endorsed by the Guinness Book of British Hit Singles and subsequently adopted by the Official Charts Company. The company regards a selected period of the "New Musical Express" chart (only from 1952 to 1960) and the "Record Retailer" chart from 1960 to 1969 as predecessors for the period prior to 11 February 1969, where multiples of competing charts (none official) coexisted side by side. For example, the BBC