Steve Schwartz <[log in to unmask]> writes:

>Even Elliott Carter's metrical modulations don't resort to an odd
>"denominator." Again, the reason is that there's no such symbol as
>a third-note, as far as I know.

Henry Cowell came up with separate noteheads for triplets, quintuplets,
etc.  (e.g., trianglular-shaped noteheads meant triplets, or something).
Of course, no one ever used them but him, but it was a neat idea.

Dan Schmidt | http://www.dfan.org