I've loved this song probably since I first heard it. It was 1973, I was in boot camp in San Diego. On Sundays, we'd get to listen to the radio for a couple of hours or so (maybe 4), depending on how well we'd done that week. KRTH (K-Earth 101) in Los Angeles came in really well, since we were right there on the water. Plus, KRTH's antenna was located on Mt. Wilson in Los Angeles, so it could easily cover most of Southern California.
Our DI was an old salt, on his last tour, so a lot more relaxed than most others. He'd discovered KRTH and its Top 40 format when he'd come back from Vietnam. The year I went to boot camp, they had changed formats to "oldies," which, according to Wiki, was 1953 to 1963, but they also had programming where they'd play more current hits as well. Maybe it was a transition from Top 40 to Golden Oldies.
He was a tough old bird, but at the same time, pretty cool. He'd discovered somehow that some radio time could be as, if not more, motivating that just about anything. At least a couple of blanket parties where held when somebody f*cked up and got our radio privileges revoked.
Dobie Gray, "Drift Away" (1973) - the song is actually older than that, but that's when his version came out.