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
Calvin Harris UK number-one single. It also became Harris's highest-charting solo single on the US "Billboard" Hot 100, peaking at number seven. "Summer" was Spotify's most-streamed track of 2014 with over 200 million streams. Harris also produced the single "I Will Never Let You Down" for British singer, Rita Ora. On 18 May 2014, the song debuted at number one on the UK Singles Chart, two weeks after his song, "Summer", debuted at the top of the charts. In April 2014, Harris performed on the main stage of Coachella Festival. His set attracted the second largest crowd in the festival's history, topped