- SOPRANOS -
To play, press and hold the enter key. To stop, release the enter key.
- ALTOS -
To play, press and hold the enter key. To stop, release the enter key.
- TENORS -
To play, press and hold the enter key. To stop, release the enter key.
- BASSES -
To play, press and hold the enter key. To stop, release the enter key.
