hydrogen software package provides advanced drum machine/step sequencer, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hydrogen
hydrogen is installed in your system.
Make ensure the hydrogen package were installed using the commands given below,
$ sudo dpkg-query -l | grep hydrogen *
You will get with hydrogen package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Sound |
| Package | hydrogen |
| Version | 0.9.6~beta3-1 |
| Description | advanced drum machine/step sequencer |
| Sub Section | Sound |