Boyz II Men are an American R'n'B group who started out as a quartet in 1988. The fourth member, Michael McCary, left the group in 2003 due to health problems and personal issues in his life. He has since been involved in TV appearances, most notably a day time TV show called Jury Duty. He was supposed to reunite with his band mates this year to mark their 20th anniversary album but it didn't work out. http://en.wikipedia.org/wiki/Michael_McCary
Boyz ll Men is an amazing hip hop R&B group that originally has 4 members. In 2003, Michael McCary had to leave Boyz ll Men due to his battle with scoliosis. For more information on Boyz ll Men please see: http://www.ask.com/wiki/Boyz_II_Men#History.