Tonal system
Tonal system can refer to
- Arab tone system, the modern Arabic system of musical tuning
- Chromatic scale or twelve-tone scale, a set of twelve pitches used in tonal music
- Tone (linguistics), the use of pitch in language to distinguish lexical or grammatical meaning
- Tonality, the arrangement of pitches and / or chords of a musical work
- Tonal system (Nystrom) a base 16 system of notation, arithmetic, and metrology proposed in 1859 by John W. Nystrom