2 rolling stones
3 hendrix, jimi
4 doors
5 beach boys
6 franklin, aretha
7 who
8 dylan, bob
9 gaye, marvin
10 simon & garfunkel
11 brown, james
12 Creedence Clearw.Reviv.
13 joplin, janis
14 supremes
15 redding, otis
16 kinks
17 led zeppelin
18 C. S. & N. (&Y.)
19 morrison, van
20 byrds