Tyga explains all on the Jimmy Kimmel show
Rapper has called McCartney "a legend" in a series of Twitter posts addressing the incident
Group were refused entry twice
Jon Bon Jovi, Nicole Scherzinger and Sheryl Crow also feature on track
"Meat production depletes precious resources to increasingly unsustainable levels" - Paul McCartney
New video was directed by Sia director Ryan Heffington
Pair played 'I've Just Seen A Face' and 'Drive My Car' at US gig
The video interview accompanies McCartney's album re-issues, out next week
'Tug Of War' and 'Pipes Of Peace' albums will be reissued on October 2
'Love Song To The Earth' is in aid of Friends Of The Earth and the UN Foundation, and features over a dozen artists