KEY INTERACTIVE BOOKS
Engaging, fun and educational books on music
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6 interactive eBooks in the series!
... for APPLE devices
... for ANDROID devices
"Quiz Yourself on Music Theory" available on
We develop and design clear, colourful, fun and engaging interactive books that instrumentalists, singers, music students and teachers will want to return to again and again.
-- Key Interactive Books
See the many A to Z features of our most popular Multi-Touch eBook: 'Keys to Music Theory 1'
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