Sierpinski Fractals

Exercise where a succession of perfect chords is completed by foreign notes 2 semitones from all the others and one of which is constant over 2 successive chords.

The pictures are based on the Sierpiński triangle, which is a fractal described by Wacław Sierpiński in 1915. The sound is a succession of perfect chords completed by foreign notes 2 semitones from all the others and whose one is constant over 2 successive chords.