Morse the New Year

import wave
n=wave.open("n.wav","w")           # Open a wav file for writing
n.setparams((2,2,4e4,0,"NONE","")) # Sets the minimal params for the wav file
k=68182                            # This number is such that the track is ~30 secs
w=n.writeframes
h=23450475295733                   # Contains base-4 morse code: '.'=1, '-'=3, ' '=0
while h:
    for i in range(h%2*k):w(h%4*chr(i%99)) # Writes saw-tooth signal using i%99
    w((2-h%2)*k*" ")                       # Writes the pauses
    h/=4