Machine Gun Kelly is a popular American rapper. His world music tour promoting his fourth album Hotel Diablo began on May 10th and will make a stop at Warsaw Club Progresja on September 11th. His 2010 single Alice in Wonderland and his 2012 debut studio album Lace Up are considered his most important musical achievements. The concert in Warsaw will most likely include the artist's hits Wild Boy, Till I Die, Bad Things, Trap Paris, and Rap Devil, but also Kelly's new compositions that may be appearing on his upcoming album.