only by the 2012 set of Dr. Dre and Snoop Dogg which featured a hologram of Tupac Shakur. That year, he 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, "Blame", was a collaboration with vocalist John Newman. 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 overall). After the release of the song, Harris became the first British solo artist to reach more than a billion streams on Spotify. Later that month, Harris uploaded an instrumental track called "C.U.B.A." to SoundCloud. "Outside", the fourth single from the album, featuring Ellie Goulding, was released in October 2014. It marked the second collaboration between Harris and Goulding, following the internationally successful single "I Need Your Love" from 2013. The instrumental track "Slow Acid" was released as a promotional single from the album on 14 October 2014. His fourth album, Motion, was released on 4 November 2014. It includes the previously released singles "Under Control", "Summer", "Blame", and "Outside". Another track from the album, "Pray to God", featuring rock band trio Haim, was released on 11 February 2015. At the 2015 Brit Awards, "Summer" was nominated for Best British Single and British Artist Video of the Year. At the 2015 Glamour Awards in London on 2 June, Harris was named Glamour UK's Man of the Year. He was also ranked 6th on Billboards Top 30 EDM Power Players. The same month, he was part of the main stage line-up at the Electric Daisy Carnival held in Las Vegas. On 17 July 2015, Harris and London-based production trio Disciples released the single "How Deep Is Your Love". The song peaked at number two on the UK Singles Chart, giving Harris his 19th top-10 entry in the UK. It peaked at number one on the ARIA Charts, giving Harris his first chart-topper in Australia. The song peaked at number three on the Hot Dance/Electronic Songs in the US and marked Harris's eighth top-10 entry since the chart's launch, making it the most of any act. In September, Harris was featured on Dillon Francis's EP This Mixtape Is Fire, collaborating on a Moombahton-style track entitled