This countdown list by 24/7 Tempo of the top 100 rock bands of all time uses things to measure that take into account younger fans--like Spotify use, Wikipedia hits, and Facebook likes... so the usual suspects are in there, but look for some newer bands to beat out the likes of Tom Petty, Journey, Rush and Motley Crue...also...no solo artists were included...just bands...here's more info and the top 100 list : http://www.msn.com/en-us/music/gallery/100-most-popular-rock-bands-of-all-time/ss-AAHMmez?li=BBnb7Kz&ocid=HPCDHP#image=48