Hear Coldplay's Heartfelt New Ballad 'Everglow'

Eight days before Coldplay release their new LP A Head Full of Dreams, Chris Martin stopped by Zane Lowe's Beats 1 radio show to premiere "Everglow," a heartfelt, piano-led ballad from the band's upcoming album. As Martin previously told Rolling Stone, "Everglow" features his ex-wife Gwyneth Paltrow contributing very subtle background...