Install hexter by entering the following commands in the terminal:
sudo apt update sudo apt install hexter
Description:
Yamaha DX7 modeling DSSI plugin
hexter is a software synthesizer that models the sound generation of a Yamaha DX7 synthesizer. It can easily load most DX7 patch bank files, accept patch editing commands via MIDI sys-ex messages, and recreate the sound of the DX7 with great accuracy.
Homepage: http://dssi.sourceforge.net/
Version: 1.0.2-3build1
Section: universe/sound