Hydrogen - Create Music and Drum Kits with GPL Freedom

Hydrogen Drum Kit Manager

Hydrogen is one of the drum kit creator for GNU/Linux, under GPL. Its A Simple Drum kit manager. Easy to edit and create drum music backgrounds. Lots of drum kits are available for Hydrogen. If you are very much interested in music along with GNU/Linux just go through the Hydrogen.
Steps
1. Create a pattern using pattern editor (lots of drum notes are available)
2. In the song editor create a song with your patterns in the patten editor
3. Play the music...

(Click the image to enlarge)

A Mixer is available for each drum note. Using instrument editor you can create and edit each intstrument