Len Wel Thirn Forn Fin Sin Sen Ayn Ine Un Edit Meaning

1.

Shortened forms of the numbers from eleven to twenty, used by some musicians as a way of counting beats in music that has time signatures over ten beats per measure.

"One two three four five six seven eight nine ten len wel thirn forn fin sin sen ayn ine un...what kind of a crazy piece of music is this, in 20/16?" I'e never seen anything like it before!

See aleatoric, meter