The line in John Mellencamp's "Cherry Bomb" that sounds like "that's when a smoke was a smoke" is actually "that's when a sport was a sport," according to the published lyric. In that sense, "sport" is an endearment for someone of good nature.
Two tears roll down Sinead O'Connor's face. toward the end of the video for "Nothing Compares 2 U." They were shed because she associated the song's lyrics of love and loss with her mother, who was killed in a car accident in 1985.