test2

s = peripheral.wrap('left')
function playnote(s,channel,note, time)
  local f = 0
  elseif note == '4c' then f = 261.63
  elseif note == '4c#' then f = 277.18
  elseif note == '4d' then f = 293.66
  elseif note == '4d#' then f = 311.13
  elseif note == '4e' then f = 329.63
  elseif note == '4f' then f = 349.23
  elseif note == '4f#' then f = 369.99
  elseif note == '4g' then f = 392.00
  elseif note == '4g#' then f = 415.30
  elseif note == '4a' then f = 440.00
  elseif note == '4a#' then f = 466.16
  elseif note == '4b' then f = 493.88

  end
  print(f..' '..note)
  s.start(channel,f)
  sleep(time)
end

function playnotes(s,channel,notes,time)
  for i,j in pairs(notes) do
    playnote(s,channel,j,time)
  end
end
playnotes(s,1,{'d','d','d','d#','a#'},0.25)
s.shutdown()
print(s.shutdown())