Guns N’ Roses canceled their spring and summer tour dates for the 2020 European leg of the “Not In This Lifetime” tour. The band made an announcement today via social media from assist Duff McKagan, which you can see below. The trek, which began three and a half years ago, recently became the No. 3 highest-grossing tour in the history of Billboard Boxscore. Tickets go on sale on December 18 at 9 a.m. local time. Launched in April 2016, “Not in This Lifetime” features classic-lineup members Slash, McKagan and singer Axl Rose backed by guitarist Richard Fortus, drummer Frank Ferrer, keyboardist Dizzy Reed and second keyboardist Melissa Reese.