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Connecting JACK and ALSA MIDI ports on Ubuntu 18 LTS Bionic

Posted at — Apr 20, 2019

There is a MIDI bridge device available to achieve that goal:

a2jmidi_bridge <device-name> &

That will act as a router for MIDI events between ALSA and JACK worlds. It’s possible to create multiple bridges by executing the command using different device names.

Maybe you also need to install/load the snd-virmidi kernel module.