First, there are not 20 albums here. Next, these are MY opinions, and finally I haven't bought an album, tape and /or cd in moons. SOOO, here goes.
1.Street Survivor ( Lynyrd Skynyrd)
2. Nine Tonight ( Bob Seger and the Silver Bullet Band)
3. Tommy the Opera (The Who)
4. Night at the Opera (Queen)
5. Caught in the Act (Grand Funk Railroad)
6. Frampton Comes Alive ( Peter Frampton)
7. Heart (Heart)
8. Rumours ( Fleetwood Mac)
9. Dark Side of the Moon (Pink Floyd)
10. Chronicle (CCR)
11. White Album ( Beatles)
12. Deja Vu ( Crosby, Stills and Nash)
13.Yellow Brick Road ( Elton John)
These are but a few, in order of hits from the albums and again, my opinion only.
More to come.