Probably 99% compatible with most synths
sudo apt-get update -y
sudo apt-get install -y fluidsynthCreate or edit a fluidsynth config file and save it to /etc/default/fluidsynth.
sudo cp /usr/lib/systemd/user/fluidsynth.service /etc/systemd/systemCompare your /etc/systemd/system/fluidsynth.service with provided fluidsynth.service
sudo systemctl enable fluidsynth
sudo systemctl start fluidsynthCreate asound.conf and save this file to /etc/asound.conf:
Modify /boot/config.txt according to HiFi Berry instructions