Joe: Your site is getting better and better and it is one of my main web references. I admire your work and perseverance.
Let me add a couple of suggestions. In the last few months I have done a rather thorough research on books and video tape material that can be interesting for keyboard players. Here are some of my findings in case they can be of some help to my synthzone friends.
* Harmony Foundation for Jazz Harmonic Foundation (a Unique Method for creating chord voicings and harmonizing a melody)
* Jazz Improv - How to Play and Teach It (both) by Jimmy Amadie
These are two solid and classic theory and improvisation books by a pianist-composer and leading jazz educator.
* Salsa Guidebook for Piano & Ensemble by Rebeca Mauleón (Sher Music)
This is the "bible" of Salsa.
* The Aspiring Jazz Pianist - Debbie Denke
Debbie Denke is a jazz pianist with a "classical music" background and an admirer of Oscar Peterson. Those who listen jazz music know that Oscar's strong point is technique rather than emotinal, and not everybody will like this approach. This book has some interesting chapters, though.
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In a different class of jazz books, the more practical ones, here are my favorite references:
* Jazz Piano Voicings for the Non-Pianist, by Mike Tracy (Jamey Aebersold Ed.)
* Jazz Keyboard Harmony, by Phil DeGreg (Jamey Aebersold Ed.)
* Voicings for Jazz Keyboard, by Frank Mantooth (Hal Leonard)
* An Introduction to Jazz Chord Voicing for Keyboard, by Bill Boyd (Hal Leonard)
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I also found two outstanding videos (focused in jazz music). The Barry Harris Masterclass (two fantastic videos), and the Chick Corea Keyboard Workshop. And for pop music, the three videos that John Novello produced from his book "The Contemporary Pianist", are a useful study tool.
If anybody has other suggestions I'm very interested in knowing what I'm missing

-- José.