Our website provides a free download of Music Theory 3.0. The software is included in Education Tools. The following version: 3.0 is the most frequently downloaded one by the program users. The actual developer of the program is ChordWizard Software Pty Ltd. Start.exe, Theory.exe and TheoryCD.exe are the most common filenames for this program's installer.
From the developer:
The essential multimedia guide to playing and understanding music.
You may want to check out more software, such as One-2-Five music theory E-Tutor, Metronimo Music Theory or Music Ace Deluxe, which might be similar to Music Theory.