Greg Turner gives a lecture demonstration with a short history, construction and examples played live. See the ligthening in the background and later hear the thunder.
It took all morning to upload because the internet connection in Bali is bad and slow. I was probably lucky to get this much uploaded.
Lecture on using the frequency of occurence of pitches to compose music, weighting the likelihood that notes you pick pseudo-randomly will favor the most common pitches in western music.
Also, discussed is the frequency of occurence of intervals between melodic pitches, weighting the likelihood that pitches you pick randomly will favor the most common intervals between pitches.