They stand the test of time. 37 years. Every concert from last october is sold out up until June of this year. The two shows in Columbus and Cincinnatti sold out in 15 and 30 minnutes. Then they will tour for another year of sould out concerts playing almost every other day. Number 4 or 5 all time best selling group. Back in Black fourth best selling album in history. More records sold then Elvis. No Beatles never sold as much as AC/DC's Back in Black. No one can touch them. Best guitarist in the world.