Mark Sinfield has seen 1256 bands. (Page 44)

Band Concerts Seen
  The Majesticons 1 concert
  The Manatees 1 concert
  The Mars Volta 1 concert
  The Matchbox 1 concert
  The Meffs 1 concert
  The Members 1 concert
  The Meteors 1 concert
  The Mighty and the Moon 1 concert
  The Mission 1 concert
  The Modern Strangers 1 concert
  The Moonlandingz 1 concert
  The Movielife 1 concert
  The Murder Capital 1 concert
  The Narcs 1 concert
  The New Nostalgia 1 concert
  The None 1 concert
  The Novus 1 concert
  The Novus UK 1 concert
  The OBGMs 1 concert
  The Ordinary Boys 1 concert
  The Orielles 1 concert
  The Passing Fancy 1 concert
  The Police 1 concert
  The Polyphonic Spree 1 concert
  The Quicksilver Kings 1 concert