Builder Dana Dolfi has posted several videos on YouTube of "The Great American Horn Machine", a rank of tuned Nathan Airchime locomotive air horns played by MIDI control, indexed at http://www.youtube.com/user/airofchaos#g/u More information about the system is at http://hornwhistleboard.com/viewtopic.php?f=5&t=2386 http://forum.highlyliquid.com/showthread.php?t=425 Robbie Rhodes, MMD
