The sound quality is highly dependent on our machine and, in particular, our sound card, as we can play the system’s MIDi instruments. There are dozens of instruments such as piano, cello, organ, harmonica, violin, etc. If you want to be able to create your own music while typing on the computer keyboard, you can try KeyMusic v3.0, a set of free installation and free for yoa simple tool to create your music with the keyboard.