Complex sentence: OMC, or Otara Millionaires Club, was a music group from Auckland, New Zealand best known for their 1996 hit "How Bizarre", named one of the greatest New Zealand songs of all time by the Australasian Performing Right Association.
Split into simpler sentences: OMC, or Otara Millionaires Club, was a New Zealand music group. They were best known for their 1996 hit "How Bizarre", named one of the greatest New Zealand songs of all time by the Australasian Performing Right Association.