You guys (Amos n Bud) are fighting a lost rear-guard action, sorry...language changes and evolves, and it continues to happen! We just haven't found a suitably brief but right-sounding replacement pronoun for "man", plural. ("Co" was suggested but sounds like computer code or something, not like a word at all.) It's not because folks don't understand that it means "homo sapiens" as well as "person of male gender", it's that they don't like it--because of the obvious implication.
But never mind. What I was going to say was, not only did Sylvia Fricker Tyson write "You Were On My Mind", it was the first song she ever wrote! Sheesh.
Willie-O