15ma — two octaves higher
A 15ma or quindicesima-alta line above the staff makes the covered passage sound two octaves higher than written. ‘Fifteenth’ counts both endpoints in interval naming.
- Octave signs
- Above the staff
- Numbers, Letters
Do not confuse it with
8va raises one octave; 15ma raises two.
What the sources say
- Octave lines
15ma alta (2 octaves above) and 15ma bassa (2 octaves below) are also occasionally used.
- Ottavas (8va)
15ma (above) — notation is sounded two octaves higher than written
- SMuFL — Octaves
quindicesimaAlta — Quindicesima alta