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Interactive, immersive, and designed by top jazz musicians. Learn, jam, and grow with Genius Jamtracks courses.

A Jazz Vocalist's Odyssey
By JD Walter
Edited by Daniel Nikolov
A Jazz Vocalist's Odyssey is a groundbreaking all-in-one learning platform developed by world-renowned jazz vocalist and educator JD Walter. While designed with jazz singers in mind, it offers invaluable insights for all musicians. The course seamlessly integrates video demonstrations, interactive staff examples, customizable play-alongs, historical and contemporary recordings, and pop-up term definitions. It also explores philosophies of improvisation, effective practice strategies, chart writing, arranging, and reharmonization techniques, supported by hundreds of practical images and graphic tables. Integrated with Genius Jamtracks, the platform allows students to adjust key, tempo, rhythmic and harmonic parameters, and instrumentation for real-time practice. Discover the same techniques JD has taught to students who have gone on to win major jazz vocal competitions, sign with top labels, and teach at leading conservatories and universities around the world.
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The Polyrhythm Series
With Sami Amiris
Originally recorded using the first version of Genius Jamtracks, this legendary series by pianist and theorist Sami Amiris is a masterclass in rhythmic illusion, phrasing, and harmonic intelligence. Sami breaks down concepts like 6 over 4, anticipation, metrical dissonance, dotted quarter phrasing, and half note triplets — not as dry math, but as vivid musical tools.
Combining deep jazz experience, classical training, and fearless rhythmic precision, Sami offers a rare window into the mechanics of time itself. These lessons aren’t flashy — they’re fundamental. Raw, real, and profoundly insightful, this is required viewing for any improviser ready to stretch their rhythmic imagination.

The Melodic Improvisation Series
With Javier Constenla
Jazz pianist and educator Javier Constenla explores the expressive power of melodic improvisation. Across ten concise chapters, he breaks down chord tone soloing, passing notes, chromatics, and rhythmic phrasing — all integrated with Genius Jamtracks for practical, real-time practice.
Learn how to build meaningful melodic lines from the inside out.