If you were a kid at the tail-end of the 1960s in 1969, you probably heard the following three one-hit wonders at least a few times growing up. These songs were all over the radio for a hot minute.

Led Zeppelin was not known for releasing singles, interestingly enough. There are some exceptions, such as “Whole Lotta Love” from 1969. But for the most part, massive Led Zeppelin hits like “Stairway ...