Trent Nelson | The Salt Lake Tribune Coldplay, led by singer Chris Martin, performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay, led by singer Chris Martin, performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.Trent Nelson | The Salt Lake Tribune Coldplay performs at Vivint Smart Home Arena, Wednesday August 31, 2016.