ableton-link-utils-gui software package provides synchronizes musical applications on multiple devices - GUI utils, 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 ableton-link-utils-gui
ableton-link-utils-gui is installed in your system.
Make ensure the ableton-link-utils-gui package were installed using the commands given below,
$ sudo dpkg-query -l | grep ableton-link-utils-gui *
You will get with ableton-link-utils-gui package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Sound |
| Package | ableton-link-utils-gui |
| Version | 1.0.0+dfsg-2 |
| Description | synchronizes musical applications on multiple devices - GUI utils |
| Sub Section | Sound |