A twosetviolin fan is called a (there is a specific name besides twosetviolin fan. If you don't know, then please don't answer.)

Awork in three dimensions which has height, breadth and depth.

Natural minor half steps between scale degrees 3 and 4; 7 and 8 harmonic minor half steps between scale degrees 2 and 3; 5 and 6 ascending melodic minor half steps between scale degrees 2 and 3; 5 and 6; 7 and 8 major half steps between scale degrees 2 and 3; 7 and 8

Choose the term below that you would not find as a musical part of the medieval mass.