LMMS “Linux Multimedia Studio” is a free and an advanced multimedia producer, it works on Linux/Unix and Microsoft Windows operating systems. LMMS 0.4.13 is a maintenance release, it comes with several bug fixes, and some new features as well since 0.4.12 release. Check installation instructions down below for Ubuntu users.
LMMS allows you to create music beats, melodies and mixing music through 64 FX channels FX mixer. It has many powerful instrument and effect-plugins out of the box. Ability to import of MIDI and FLP (Fruityloops® Project) files. An easy-to-use Piano-Roll for editing patterns and melodies. check the full list of LMMS features here.