These four rock songs from the 1970s didn't chart very well, but they've proven to be classic tracks. Revisit them below.

Here's a rundown of the 18 classic rock albums that are still currently on the Billboard Top 200: 194. Metallica, Metallica ...

For the kids of the 1970s and after, the animated series of short vignettes seen on TV called “Schoolhouse Rock” was a part ...

For the kids of the 1970s and after, the animated series of short vignettes seen on TV called “Schoolhouse Rock” was a part ...

The three tracks below helped to further cement rock's claim on pop culture. Revisit these rock songs, released in 1965, below.