Binary package “freebirth” in ubuntu eoan

Bass synthesizer/sample player/sequencer

 Freebirth is a free software bass synthesizer / step sequencer / sample player
 similar to Rebirth. The bass synthesizer resembles a 303 but also has other
 capabilities such as
 .
  - Three oscillators (saw, sin, sqr)
  - Phase offsets for each oscillator
  - Separate filter and amplitude envelopes
  - Separate tuning for each oscillator
  - Two effects busses (reverb and delay).