Detroit rapper Big Sean will play a free concert Sunday night for Detroit fans who bought his upcoming album "Double or Nothing."
Fans waited hours in line at the Fillmore box office to snag tickets. You received a ticket if you showed proof of purchase of "Double or Nothing" on your phone, even on Spotify.
He said he wanted to do a couple of surprise free shows to celebrate the album's release.
— Sean Don (@BigSean) December 10, 2017