Tkinter Application with PyGame Sound

# play a sound on a key press, combines Tkinter with the PyGame mixer
# PyGame is free from: http://www.pygame.org/news.html
# tested with Python24 and PyGame171    vegaseat    15nov2006

from Tkinter import *
from pygame import mixer

def on_key(event):
    # any normal key (0..9, A..Z, a..z)
    if event.char == event.keysym:
        if event.char == '1':
            sound1.play()
        if event.char == '2':
            sound2.play()

prompt = 'Press key 1 or 2 to play a sound'

mixer.init(44100)

# pick sounds you have ...
# copy to working directory or indicate full path
try:
    # create the sound instances
    sound1 = mixer.Sound("boing.wav")
    sound2 = mixer.Sound("beep.wav")

except:
    prompt = "Error: Sound file not found"

root = Tk()
label1 = Label(root, text=prompt, width=len(prompt), bg='yellow', fg='red')
label1.pack()
label1.bind_all('<Key>', on_key)

root.mainloop()