glyrc software package provides command-line interface to libglyr, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install glyrc
glyrc is installed in your system.
Make ensure the glyrc package were installed using the commands given below,
$ sudo dpkg-query -l | grep glyrc *
You will get with glyrc package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Sound |
| Package | glyrc |
| Version | 1.0.9-1 |
| Description | command-line interface to libglyr |
| Sub Section | Sound |