Heard it In A Love Song by The Marshall Tucker Band (download here) (Buy from Amazon)
I watched the most ridiculous movie of all time, Crank 2: High Voltage. In that movie, the most ridiculous scene of them all has a couple (Amy Smart & Jason Statham) having sex on a racetrack. That scene, while completely absurd, has a good tune playing in the background. Here it is. It hit #14 in the charts in 1977