Qsynth
Fluidsynth MIDI sound synthesiser front-end
Qsynth is a fluidsynth GUI front-end application, written in C++ around the Qt framework, using Qt Designer. Eventually it may evolve into a softsynth management application allowing the user to control and manage a variety of command line softsynths.
QSynth is a fluidsynth GUI front-end application written in C++ around the Qt toolkit. Eventually it may evolve into a softsynth management application allowing the user to control and manage a variety of command line softsynths but for the moment it wraps FluidSynth (http://www.fluidsynth.org). . FluidSynth is a command line software synthesiser based on the Soundfont specification.
How to install Qsynth in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
If the above link not working, run the below command in terminal to install qsynth in Ubuntu
sudo apt install qsynth