West's property has been dropped from $3.3m to $2.8m
The rapper joins Lady Gaga on the line-up for the August 25 bash
'Kanye has always been intrigued by Elvis,' says source...
West co-composed the pounding piano-based music heard in the reworked trailer
West surprised fans at a Travis Scott gig by appearing onstage to perform the 'Yeezus' favourite
Producer opens up about recording sessions with the rapper and plans for future releases
'Kanye Quest 3030' is described as a "a hip-hop-themed science-fiction" featuring Jay Z, Tupac and Notorious B.I.G
Author and rapper first worked together on 'Yeezus' promo film earlier this year
The track features on West's new album 'Yeezus'
Viewers able to control speed they watch animated clip from 'Yeezus' album track