"Tell it Happy Birthday."Machine Gun Kelly at Reading 2019Machine Gun Kelly has aimed a subtle dig at Eminem on the first anniversary of his track ‘Rap Devil’. The track, which was released last year, saw him referencing Eminem’s sobriety and age. It was recorded in a locker room immediately after hearing a diss on Eminem’s ‘Kamikaze’. The title, meanwhile, is a direct nod to Eminem’s […]The post Machine Gun Kelly disses Eminem on 'Rap Devil' anniversary appeared first on NME.