Interesting comments about the permutations. Out of all the variables, how many patterns are there that can be considered to be musical or fit in to a particular style?

For the fun of it, I have just typed the first 8 bars on any old nonsense that entered in to my head keeping to the same note length and put it at http://www.jonbanjo.freeuk.com/TEST.MID.

Could this really be music?

Jon