Chris Martin thanks Noel Gallagher for being at Manchester benefit concert 'in spirit'
The former Oasis member's brother, Liam, was less forgiving
Oasis' Liam Gallagher on new documentary: 'We were the band of a generation'
Gallagher and director Mat Whitecross break down 'Oasis: Supersonic'
Oasis documentary: Band plays Champagne Supernova in exclusive clip
'Oasis: Supersonic' hits theaters for one night in October
Oasis drops 'Don't Go Away (Mustique Demo)'
The track will be on the 'Be Here Now' reissue, out Oct. 7
