Here's he is teaching a music business class as the guest artist at Western Illinois University.
"Jack has never taught in an ordinary manner and is always looking for new teaching strategies so that his students have opportunities to learn by hearing, practicing and performing." Hannah Pickett - Dean of Liberal Arts - Milwaukee Area Technical College
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- Melody harmonization / chord soloing / reading chord charts
- Understanding comtemporary jazz theory through alterations and extensions
- Creating a jazz solo from a compositional viewpoint in bebop, smooth, and avant garde styles
- Career promotion / understanding "the music business"
- Improvisation techniques / developing a motif
- The theory of Harmelodics and polytonality
- Walking bass lines and chords simultaneously
- Guitar technique improvement
- The four methods of efficient practicing
- Combo rehearsal systems
- Jazz ear training directly related to "on the job" performance
- Walking bass lines and improvising a melody simultaneously
- Music transcribing techniques: melodies and chord progressions
- 12 keys in one position / 1 key in twelve positions
- Guitar setup / maintenance / adjustment
- Comping for a instrumental soloists
- Altered chords / polytonal chords / chord substitution
- Arpeggio and melody guitar harmonics
- Soloing with octaves
- Creating your own sound / amplifier adjustment and placement
- Chosing the right equipment
- Horizontal and vertical movement on the guitar neck
- 12 tone "scale free" improvisation
- Playing solo.
- Playing effectively in ensembles.
- The art of accompanying a vocalist in a guitar / voice duo


"Whatever you can do or dream you can do, begin it. Boldness has genius, power and magic in it." Goethe
"Jack Grassel has been selected by one or more students of merit as 'a teacher who made a difference' in the life of that student and is therefore acknowledged for excellence as a distinguished educator." ......Who's Who's Who of America's Teachers - 1996
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