Midi does not work

Sun Dec 18 10:08:16 UTC 2005

Hello.

Why my midi does not work? 

ALSA device list:
  #0: VIA 8233 with ALC200,200P at 0xdc00, irq 11
  #1: MPU-401 UART at 0x320, irq 10

# aplaymidi -l
 Port    Client name                      Port name
 72:0    MPU-401 UART MIDI                MPU-401 UART MIDI

# aplaymidi -p 72 song.mid
*** nothing is heard

I do not want to use timidity software synth since it hang my machine.