These days, we’re kind of used to our pop and rock stars being a bit angsty and tortured. But there was once a time when you could be a successful act by spreading a positive aura into the atmosphere.

"A Beautiful Morning" was released by the Rascals in 1968. The song rose all the way to number three on the Billboard Hot 100. The hit, which was written by Felix Cavaliere and Eddie Brigati, was ...