kmidimon software package provides MIDI monitor using ALSA sequencer and KDE user interface, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kmidimon
kmidimon is installed in your system.
Make ensure the kmidimon package were installed using the commands given below,
$ sudo dpkg-query -l | grep kmidimon *
You will get with kmidimon package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Sound |
| Package | kmidimon |
| Version | 0.7.5-1 |
| Description | MIDI monitor using ALSA sequencer and KDE user interface |
| Sub Section | Sound |