Coldplay have worked with others.
A Head Full of Dreams . For various songs , Coldplay collaborated with Beyoncé , Noel Gallagher , Tove Lo , Khatia Buniatishvili and Merry Clayton . Coldplay . Creative director Phil Harvey is often referred to as the fifth member by the band . In October 2011 , Coldplay released their fifth studio album , Mylo Xyloto , which topped the charts in over 34 countries and was the UK 's best-selling rock album of 2011 , but received mixed reviews , In May 2014 , they released their sixth album , Ghost Stories , which also received mixed reviews and topped the iTunes Store albums charts in over 100 countries . Ghost Stories (Coldplay album) . Co-produced by the band with Paul Epworth along with returning Mylo Xyloto producers Daniel Green and Rik Simpson , it was released by Parlophone on 16 May 2014 .