MasterKey - The Finest Music Transposing Tool. Easily Transpose Notes and Chords to Any Key with No Mistakes!

★★★★★ 4.6 47 reviews

US$12.00
Price when purchased online
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US$12.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 228106601 Release Date 2026/05/31 List Price US$12.00 Model Number 228106601
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MasterKey has a unique, award winning, straight-line design that’s intuitive and easy to understand. Unlike circular devices, there’s no need to spin MasterKey to read the clear and simple graphics. Besides transposing between any two keys, MasterKey displays eight different scales, relative minor keys, and all seven modes. MasterKey is being used as a teaching tool for beginners and as an accurate reference tool for advanced musicians all over the world. Each MasterKey is made from heavy-duty ABS plastic for years of service. It also comes with a 15-page manual to help you get the most from this indispensable tool.

  • Join the Fun! MasterKey takes the mystery out of music theory!
  • Quickly transpose music written for piano or guitar and play along on your saxophone, clarinet, or any other transposing instrument.
  • Determine the notes of any chord and improvise over any chord progression.
  • MasterKey displays all the modes and keys you need to bring something new and different to your performance.
  • Made of rugged ABS plastic. 15 page instruction manual included.
ASIN B074MRBCWJ
Theme Music
Brand Name MasterKey
Unit Count 1.0 Count
Item Weight 173.64 Grams
Manufacturer Kembo-Cuisenaire
Power Source manual winding
Material Type Sturdy ABS Plastic
Operation Mode Manual
Item Dimensions 11.8 x 2.75 x 0.25 inches
Number of Players 1
Indoor Outdoor Usage Indoor
Is Assembly Required No
Age Range Description Kid
Educational Objective Music
Supported Battery Types No batteries required
Manufacturer Part Number MasterKey
Manufacturer Maximum Age MONTHS 144

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4.6 out of 5
★★★★★
47 ratings | 19 reviews
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