sudo apt install ubuntustudio-audio linux-lowlatency
a2jmidid
systemctl –user stop pipewire.socket pipewire.service pulseaudio.socket pulseaudio.service
systemctl –user start pulseaudio.socket pulseaudio.service pipewire.socket pipewire.service
Turns out there is something wrong with either my old mk-928 keyboard or the midi audio interface.