startup

rednet.open("top")
for i = 1,10 do
  print("Time till start: "..i)
  sleep(1)
end
term.clear()
term.setCursorPos(1,1)
songTimer = 600
counter = os.startTimer(1)
while true do
  event, p1, p2, p3 = os.pullEvent()
  if songTimer > 599 then
    rednet.send(712, "stopMusic")
    rednet.send(715, "stopMusic")
    rednet.send(717, "stopMusic")
    songTimer = 0
    computer = math.random(1,3)
    disk = math.random(1,4)
    if computer == 1 then
      com = 712
    elseif computer == 2 then
      com = 715
    elseif computer == 3 then
      com = 717
    end
    if disk == 1 then
      side = "top"
    elseif disk == 2 then
      side = "left"
    elseif disk == 3 then
      side = "right"
    elseif disk == 4 then
      side = "bottom"
    end
    rednet.send(com, side)
    rednet.send(733, {["id"] = com, ["side"] = side})
  end
  if event == "timer" then
    if counter ~= nil then
      os.cancelTimer(counter)
    end
    counter = os.startTimer(1)
    songTimer = songTimer+1
    term.clear()
    term.setCursorPos(1,1)
    print("Time till next song: "..songTimer.."/600")
  elseif event == "rednet_message" then
    if p2 == "StartNewSong" then
      songTimer = 600
    end
  end
end