Sly and the Family Stone.

This pop slash soul-music group had enormous success before they came apart, with at least a couple of drug casualties.

Now Honda sells cars with one of their hit songs.

Back in the day, it is reported, before they became hugely famous and successful but when their first album was for sale, Miles Davis, who always kept one ear near the ground, pounced on their first album and was playing it for people -- listen, these guys have lightning in a bottle.