oh...i guess i will justify these bands since other people are...disagree with me if you want
Cream-because they were pretty influential to british rock/rock music in general...and...they had eric clapton for christs sake, not to mention ginger baker, an amazing drummer, and jack bruce as well (the bassist)
Crosby, Stills, Nash, & Young-this band was just ridiculous. all of them played lead guitar and sang, I think all of them were solo performers at some point too, just, an amazing band with amazing musicians
The Beatles-influential as hell and popular as hell.
The Doors-pretty creative music that influenced a lot of diff. styles of rock, pretty innovative for their time
The Who-just...amazing. the band members were just amazing at what they did, this band was "stacked", so to speak...kind of like crosby, stills, nash, and young.
meh...that could all sound like bullshit but w/e