the longer the explanation needed. The following commentary utilizes the numbering of the online version. Onward… The center answer of 3 clues the three-letter group of ABC (5A. *Jackson 5, 1970), OMG (22A. *Usher feat. will.i.am, 2010), BEN (45A. *Michael Jackson, 1972), WHY (59A. *Frankie Avalon, 1959), BAD (12D. *Michael Jackson, 1987),