Guns N' Roses formed in a month.
Guns N ' Roses , often abbreviated as GnR , is an American hard rock band from Los Angeles formed in 1985 . Guns N ' Roses is an American hard rock band formed in Los Angeles , California in 1985 by members of Hollywood Rose and L.A. Guns . Slash (musician) . He is best known as the lead guitarist of the American rock band Guns N ' Roses , with whom he achieved worldwide success in the late 1980s and early 1990s . During his later years with Guns N ' Roses , Slash formed the side project Slash 's Snakepit .