There is

  no

🙅

Determinador

  authoritative

Adxectivo

  system

Substantivo

  of

Adposición

  voice

Substantivo

  classification

Substantivo

  in

Adposición

 non-classical  music

🎶

Substantivo

.

There is no authoritative system of voice classification in non-classical music.

There is no authoritative system of voice classification in non-classical music.