[Vaquero]

By the late 60s album rock, in my mind supplanted pop top forty.

Most of the songs in these lists are either the tip of the iceberg of great super groups or silly ditties from one hit (or 2 or 3)wonders.

[Fiji Hill]

By the late 60s album rock, in my mind supplanted pop top forty.
Most of the songs in these lists are either the tip of the iceberg of great super groups or silly ditties from one hit (or 2 or 3)wonders.

I agree with your description of the songs. However, Top 40 still ruled the AM band well into the 70's and maybe beyond. Not everyone had an FM radio--these were a lot more expensive at the time than AM-only radios, and most car radios could only get the AM band.