The Transposition Dial allows you to instantly transpose notes, scales and chords from key to key or from concert C pitch to instrument pitch. The front of the dial is used for transposing major keys, chords, scales and notes and the back of the dial is used for transposing minor keys, chords, scales and notes.

The dial also contains all the key signatures, instrument pitch to C pitch table of intervals, notes on the music staff and a table of enharmonic equivalents.

The Back of the Dial is used to transpose MINOR keys.

The instructional CD for this dial contains both lessons and jam tracks. The lessons teach you the fundamentals of music and how to use the dial. The jam tracks provide you with the opportunity to practice using a wide variety of music styles and tempos in all popular major and minor keys.