If you like to edit audio on your GNU / Linux system, we have several options to choose from. One is Linux MultiMedia Studio (LMMS), an open source program and platform that lets you create your own compositions using a MIDI keyboard, or edit other easily. LMMS has a lot of plugins and audio accessories to modify to your liking, add effects and all that can be asked for a program of this type. It also includes completed projects and demos to learn more about the operation of this program, downloadable from this link . Some of its features are:
Composition of melodies and songs
Piano-Roll for editing patterns and melodies
FX mixer with 64 channels
Import of MIDI and FLP files
Compatible with many standards as Sound Font 2, VST, LADSPA, GUS and MIDI
Sequencer and synthesizer
On their website , you will find several tutorials and even compositions uploaded by users. I leave a video so you can get an idea of their performance. we are using some other feature in our platform here www.newspaperstimes.com.