I got bored the other day, decided to do some testing on 4 horns.
http://www.youtube.com/watch?v=jCkoKL7xYPY
http://www.youtube.com/watch?v=RMfqk2YVBQ0
http://www.youtube.com/watch?v=jCkoKL7xYPY
http://www.youtube.com/watch?v=RMfqk2YVBQ0