Download, install and open WIDI Recognition System Professional (see Resources).
Click in the box next to "Transcribe Pre-recorded MP3, Wave or CD," and click the "Next" button.
Click the "Browse" button.
Click on an audio file you want to convert to MIDI, and then click the "Open" button.
Click the "Next" button in the following two windows.
Click the "Finish" button.
Click on the disk icon at the top of the screen to save your file.
Download, install and open MID Converter (see Resources).
Click on an audio file from your hard drive on the left side of the screen.
Click the "Convert" button, click "File" and "Convert" or right-click the selected file and click "Convert" to convert the file to MIDI.
Download, install and open Dream MP3 to MIDI Converter (see Resources).
Click "File." Scroll down and click "Add Files."
Click on an audio file you want to convert to MIDI, and then click the "Open" button.
Click the "Convert" button at the bottom left corner of the program.