Negyedhangnyi
Negyedhangnyi is a term that originates from Hungarian and literally translates to "quarter sound" or "a quarter of a tone." In the context of music theory, it refers to an interval smaller than a semitone. While Western music typically divides the octave into twelve equal semitones, many non-Western musical traditions, and some avant-garde Western music, utilize microtones. These microtones can include intervals like quarter tones.
The use of quarter tones allows for a richer and more nuanced melodic and harmonic palette than
Historically, microtonal music has existed in various cultures for centuries, with some theoretical frameworks exploring intervals