What am I doing wrong? I´t wont work

Code:
on *:text:*:#: {
  if ($chan == #chan1) {
    if ($nick == billgates) { 
      if (call me == $1-2) { sound PlayMe.wav $1- }
    }
  }
  if ($chan == #chan2) {
    if ($nick == mom) { 
      if (hello == $1-2) { sound PlayMe2.wav $1- }
    }