Interview with rapper airs on BBC Radio 1 on February 26 at 7pm
West performed new track 'All Day' at the ceremony last night (February 25)
Gallagher says US rapper should listen to more Lee Mavers
The song 'All Day' will feature on the rapper's next album
Rapper will perform at Brit Awards later on tonight
Rapper is last-minute addition to bill that also includes Madonna, Taylor Swift and Royal Blood
The rapper also discusses the infamous Beck incident and recording a whole album with Drake
Arcade Fire frontman uploaded song after tweeting about modern music
Rapper was living in the UK when violence broke out in 2011
West performed with Sia and Vic Mensa as part of same show