1. Guns´N´Roses

         



    Guns N 'Roses is an American hard rock band formed in Hollywood, Los Angeles, California in 1985. The group, led by the leader  Axl Rose, has gone through numerous line changes and controversies since its inceptin
                                 
Important discs: Appetite for Destruction Tour.
                        Important songs: Sweet child o'mine.




                         2.Nirvana

          

Nirvana was an American band ho plays grunge, from Aberdeen, Washington. With the hit single "Smells Like Teen Spirit", the album Nevermind (1991), Nirvana climbed the charts around the world and started the explosion of what was hitherto underground punk and alternative rock in the world music scene, in a movement that the media of the time would refer to as "grunge".

Important discs: In Utero, Nevermind.

Important songs: Come as you are and Smell like a teen spirit.

         
                        3. Ac/Dc

 They have sold over 200 million albums in all the     world, of which about 70 million have been sold in the United States. Back in Black has sold over 50 million units in the world. and more than 22 million just in the United States,  so that is the fifth best-selling album of all time in the U.S.A.