The band will play 20 massive stadium dates in North America
Fans are now queuing up in the hope of bagging a free ticket
The short Twitter clip includes a list of American cities and the words "coming summer 2016"
Band are already set to reunite for Coachella festival, plus other dates
Mark Guglielmo met the frontman in Atlanta this week
Chris Pitman also called the classic-era reunion a 'nostalgia tour'
The two rock bands will perform together in April
Former guitarist clarifies his role saying: "There's so much misinformation"
Classic line-up set to reunite this year
Guitarist DJ Ashba left the Guns N' Roses lineup in July 2015