barnotation
Barn notation is a system for writing down musical rhythms. It uses a series of symbols to represent different durations of notes and rests. The basic unit is a whole note, which is represented by an open circle. A half note is a whole note with a stem, and a quarter note is a filled-in circle with a stem. Eighth notes and shorter durations are indicated by flags or beams. Rests, which represent silence, have their own corresponding symbols for each duration.
The system was developed by the composer Arnold Schoenberg in the early 20th century. He sought a