 From May of 1963, Jimmy Sowell with If You Want to Be Happy. As the decade of the 1970s began, among its brightest stars was a five-brother band from Cary, Indiana called the Jackson Five. Running the group was a charismatic and dancing-singing somebody named Michael Jackson. Well, the world would call him one day the King of Pop. Back then, he was simply Michael among his four brothers. Here's the Jackson Five with I Want You Back. I want you back.