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Products for music theory study

 
         
 

The PowerWheel™

Unique circular slide-rules for musical information, the PowerWheel™ line of products are an excellent companion to, and reinforce any music or music theory book, class, or teaching method. They can be used by beginners and advanced musicians alike. The PowerWheel™ line of products are exceptional tools for music analysis and provide a solid base from which to expand music writing, playing and understanding.

 

The PowerWheel™Standard and the PowerWheel™Pro reference the diatonic harmony of any key by simply dialing in a key's tonic. They allow for quick calculation and referencing of the notes, scales, and scale degrees of any key, major or minor; its chords, the notes that make up each chord, any key's circle of fifths progression, and easy transpositions to any other key, and more... The PowerWheel Pro™ also allows for referencing 32 of the most popular modes and scales in any key and chords beyond the 7th extension to include the 9th, 11th and 13th chord extensions

All PowerWheel products are quality constructed in the U.S.A. and laminated to last.

 

 
   
   
   
   
 
PowerWheel Junior   PowerWheel Standard   PowerWheel Pro
 
PowerWheel™ Junior
 
PowerWheel™ Standard
 
PowerWheel™ Pro
 
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The PowerWheel™ Junior is simple and easiest to use.

Recommended for anyone beginning to learn the musical environment, yet its simple layout can benifit musicians at all levels.

Easily reference all diatonic harmony and lay out any key's entire diatonic structure by simply dialing in a key's tonic.

In Any Key, Reference:

  • Any Key's scales (Major or Minor)

  • Any Key's chords and chord quality

  • The notes that make up each chord of any Key

  • Scale Degrees and Roman numeral equivalents of chords

  • Instant referencing of modally “borrowed” chords

  • Chord Harmonization and Progressions over melody lines

  • Melody Harmonization over chord progressions

  • And More!

 

 

The PowerWheel™Standard is recommended for beginning to mid-level music students. Simple, Powerful, Compact.

Easily reference all diatonic harmony and lay out any key's entire diatonic structure based on the Circle of Fifths by simply dialing in a key's tonic.

Quick transpositions from one key to any other key and immediate referencing of modally borrowed chords... and more.

In Any Key, Reference:

  • Any Key's scales (Major or Minor)

  • Any Key's chords and chord quality

  • The notes that make up each chord of any Key

  • Scale Degrees and Roman numeral equivalents of chords

  • Instant referencing of modally “borrowed” chords

  • Circle of Fifths and other chord progressions

  • Chord Harmonization and Progressions over melody lines

  • Melody Harmonization over chord progressions

  • Easy transpositions to any other Key

  • And More!
 

The Powerwheel™Pro is an advanced version of the PowerWheel™. It references everything the PowerWheel™Standard does and more...

The Powerwheel™Pro includes chromatic as well as diatonic harmony. Reference chords beyond the 7th extension to include the 9th, 11th, and 13th extensions along with common chord alterations based on their chord quality. Instantly reference suspended and augmented chords and the neapolitan bII and three versions of the augmented sixth chords.

Easily reference 32 of the most popular modes and scales.

In Any Key, Reference:

  • Any Key's scales

  • Any Key's chords and chord quality

  • The notes that make up each chord of any Key

  • Scale Degrees and Roman numeral equivalents of chords

  • Instant referencing of modally “borrowed” chords

  • Circle of Fifths and other chord progressions

  • Chord Harmonization and Progressions over melody lines

  • Melody Harmonization over chord progressions

  • Easy transpositions to any other Key

  • Chromatic as well as diatonic harmony

  • Chords beyond the 7th extension to include the 9th, 11th, and 13th extensions

  • Common alterations of chords based on their chord quality

  • Secondary Dominants

  • Suspended and Augmented chords

  • The Neapolitan bII chord

  • 3 versions of the Augmented Sixth chords

  • 32 of the most popular Modes and Scales, including the popular Pentatonic modes, Jazz Minor modes and Blues Scale

  • And More!

 
             
 
 
   
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