Hydrogen for Linux is an intuitive graphical interface based on QT 3. It features sample-based stereo audio engine, with import of sound samples in .wav, .au, and .aiff formats, and support of samples in compressed FLAC file. Pattern-based sequencer, with unlimited number of patterns and ability to chain patterns into a song. Hydrogen for Linux includes up to 64 ticks per pattern with individual level per event and variable pattern length and multi layer support for instruments (up to 16 samples for each instrument). Ability to import/export song files. Unique human velocity, human time, pitch and swing functions.