Paltrow and Chris Martin's children Apple and Moses also provided vocals on 'Up & Up'
The band paid tribute to Viola Beach and collaborated with Barry Gibb and Michael Eavis on the Pyramid Stage
Chris Martin welcomed him as "best singer in the world"
Michael Eavis requested the band personally
"Let's send it up the charts"
The issues arose during 'Everglow'
The late boxer passed away on June 4
"Together we can do great things"
"I should like to help everyone if possible"
Stewards are giving out the freebies on site ahead of tonight's set