[silence] origins and purposes / tonal aleatorism

[Dionisis Boukouvalas]

I am presently doing my master, examining the history and actual 
possibilities of aleatorism

Different kinds of aleatorism: Compositional, as in Music of changes. 
Interpretational, as in all the indeterminate works. Morover: Variaties of 
compositional aleatorism, like Cage and Xenakis (a totally different 
apporach). I would very much appreciate any bibliographical suggestion on 
the origins and purposes/goals of aleatorism.

What strikes me as more interesting though, is what one can make out of 
aleatorism in our days. I think aletorism is a wonderful tool that can 
permit us to compose "tonal" music (I include modal music here) liberating 
us of its historical connotations. A nice example is Cage's Litany for the 
whale. I am not sure if Ear for EAR is aleatoric too (?) Which other works 
by Cage fall in this category? Which ones of other composers? Attention: I 
am not talking about potential tonality. E.g. Many of Feldman's graphic 
pieces can be tonal if the interpreter choses so. These are not interesting 
to me. I am talking here about works where tonality is inescapable (that 
conciders, as much as I see it, compositional aleatorism).

Thank you!

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