A bit of nostalgia. The 1987 precursor of Cubas; Steinberg Pro24 on Atari ST1040. That machine at the time came standard with MIDI interface. I just dug up the old ST after
ATARI TT030 cubase problem - Atari-Forum
Steinberg Cubase v1.5 (MT Apr 90)
ROMs Atari ST - Atari ST - Applications - [ST] - Planet Emulation