Before he was The King of Pop, Michael Jackson was the youngest brother in The Jackson 5. Ed was anxious to book the group known for their youthful harmonies and tight choreography. For their Sullivan debut, they performed “Stand.” And then young Michael, wearing a purple hat and suede vest, told a story about a girl he met in the sandbox – the intro to “Who’s Loving You.”  Lastly, they wowed the audience with their hit “I Want You Back.”