Install hydrogen-doc by entering the following commands in the terminal:
sudo apt update sudo apt install hydrogen-doc
Description:
advanced drum machine/step sequencer (doc)
Hydrogen is an advanced drum machine. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming. . This package contains the architecture-independent documentation.
Homepage: http://www.hydrogen-music.org/
Version: 0.9.7-6
Section: universe/doc