#initial conditions
playing = False
paused = True

...

#This is where it doesn't work
def pauseSong(): 
    print "TEST" #This gets printed
    if playing == True:
        pygame.mixer.pause() #This *should* pause the song
        print "paused" # This doesn't get printed :(
        paused = True 
    if playing == False:
        pygame.mixer.unpause()
        pause = False

...

#Starts the playback of the song
def startSong():
    print "Song Stared"
    playing = True # This changes the initial conditions
    paused = False
    print playing
    song.play()
    time.sleep(.1)