A keyboard, a popular way to create MIDI files. Step 2: Launch the program. Select converting method. Time required . Setup time: none. /Conversion time: depends on number of files, CPU speed and net speed. Reasons Run Kanto Karaoke on your PC or Mac OS X, and you will see this interface: How to convert midi to mp3 thus you can try these out midi to mp3 converter While converting MIDI to MP3 is a step that cannot be avoided in the situation when you need to represent your compositions or just to play them anywhere, it\'s essential how a particular program converts MIDI to MP3 . MIDI to MP3 Converter uses SoundFonts to create high quality sound (SoundFonts are sets of recorded samples for certain musical instruments). Thus you can easily select a SoundFont that produces the best sound for your MIDI composition. There are many free and paid SoundFonts available for download on the Internet. MIDI to MP3 Converter comes with a preinstalled SoundFont, but you can download and use any other SoundFont package instead. MIDI to MP3 Converter allows using several SoundFonts simultaneously, which makes the program especially flexible, as you can individually set SoundFonts for every musical instrument of your MIDI composition.