Jeffery Marshall

Jeffery Marshall

Jeffery is a Guitar instructor at JamPlay.com

Jeffery has been a staple of the L.A. music scene for more than 20 years. Jeffery left his humble upbringings in Northern Michigan to attend Hollywood's own Musicians Institute in 1989. Upon graduating, he quickly immersed himself in the local music scene playing in a variety of bands, one of which included the band Hardware featuring Tod Howarth of Frehley's Comet, Ted Nugent, and Cheap Trick fame. In 1994 Jeff relocated to Dallas, Texas where he teamed up with alt rocker... (more)

Jeffery currently offers 37 guitar lessons at JamPlay, with 37 intermediate lessons.

Jeffery Marshall's contribution to JamPlay

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Theory and Improvisation

Inside and Out: A Guide to Fretboard Mastery

Have you reached a point in your playing where having greater knowledge of the fretboard is paramount for your progress? If so, this lesson series is for you! Musicians Institute instructor Jeff Marshall provides a bottom up approach to learning the entirety of the fretboard using the basic CAGED system


Series Introduction

Welcome to Inside and Out with Jeff Marshall! In this lesson series, Jeff takes a bottom up approach to fret board proficiency. Using the CAGED system, he builds off of familiar open chord shapes to unlock the fretboard for not only chords, but arpeggio's scales and the beginnings of solo and improvisation. If you're looking for a better handle on the fretboard, this is the lesson series for you!

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Major Triad Chord shapes in CAGED

To get started off with the series, Jeff discusses how the CAGED system is used, then goes over the major chord shapes in that system. This lesson and the rest of the course will be taught in the key of D.

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Major Triad Arpeggios in CAGED

Now that you know the basic triad chord shapes in the CAGED system, you can now start adding triad arpeggios on top of those shapes. Jeff Marshall shows you how!

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Major Pentatonic in 5 CAGED Boxes

The next step in the learning process is to take the triad arpeggios you previously learned and apply them to the Major Pentatonic patterns in the CAGED boxes.

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Major Scale in 5 CAGED Boxes

Now that you have the major pentatonic under your fingers, we add two additional notes to create a full major scale in the associated CAGED boxes.

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Extended Major Pentatonic Scale

Now that you have the full major scale under your fingers, Jeff takes a step back and get's a bit outside of CAGED for this lesson. Depending on the situation, you may find it necessary to step out of bounds to player more comfortably or in a stylistic manner. Jeff discusses the possibilities that knowing the full major scale patterns open up for major pentatonic playing.

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Major CAGED Application

You've learned the major CAGED shapes bottom up from triads, through the Pentatonic. It's now time to apply that material in musical form.

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Minor Triad Chord Shapes in CAGED

Now that you've got the basic major shapes under your fingers, Jeff is going to handle the same training for minor, starting with triad shapes.

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Minor Triad Arpeggios in CAGED

Now that you know the basic minor chord shapes in CAGED, it's time to take a step up the rung to the minor chord arpeggios.

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Minor Pentatonic Shapes in CAGED

With the triad and arpeggios shapes under your fingers, Jeff now teaches the minor pentatonic shapes in CAGED, using the key of D.

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Minor Scale in 5 CAGED boxes

It's now time to take a look at the entire minor scale in the 5 boxes that comprise the CAGED system.

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Extended Minor Pentatonic

Just like with the major scale, Jeff will now go through the process of discussing the extended minor pentatonic scale in the CAGED system.

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Minor CAGED Application

Just like before with the major tonalities, it's time to apply what you've learned about the minor CAGED system to musical form.

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Scale Harmony

Many guitarists start with learning chords, before scales, but logically, chords come from scales. In lesson 14, Jeff teaches the major scale pattern across the neck and discusses harmonizing it in diads and triad chords.

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Diminished Triad Chord in CAGED

In the previous lesson, Jeff introduced a harmonized major scale and with it, the diminished chord. In this lesson he goes deeper into that chord and teaches its chord shapes in the CAGED system.

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Diatonic Root Position Triads

Continuing on with learning to harmonize the major scale, Jeff takes a look at root position triads in different string groupings.

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Diatonic 1st Inversion Triads

In this lesson, you'll take the same knowledge you learned in lesson 16 and change your shapes to give you the 1st inversion diatonic triads of the major scale.

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Diatonic 2nd Inversion Triads

The last set of triad types in the harmonized major scale are the 2nd inversion triads.

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Diatonic Triad Application

Now that you've learned how to harmonize the major scale with diads and all three triad types, on different string groupings, it's time to apply that knowledge in a musical way.

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Major 7th Chords in CAGED

It's now time to start looking at 7th chords as part of the inside and out system using CAGED. Jeff starts with a look at the Major 7th voicings.

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Dominant 7th Chords in CAGED

Now that you know the major 7th chords in the CAGED system, it's time to get the dominant 7th chords under your fingers.

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Minor 7th Chords in CAGED

Moving along with 7th chord voicings, lesson 22 is all about minor 7th chords.

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Minor 7b5 Chords in CAGED

In lesson 23 Jeff offers up another look at 7th chord voicings. This time you'll be learning the minor 7b5 voicings in the CAGED system.

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Diatonic 7th Chord Scales Pattern 1

Now that you know all of the chord voicings for the various 7th chords, it's time to start taking a look at the scale patterns derived from these shapes.

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Diatonic 7th Chord Scales Pattern 2

In lesson 25 you'll learn the second pattern diatonic 7th chord scale.

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Diatonic 7th Chord Scales Pattern 3

In lesson 26 Jeff shows you the pattern 3 diatonic 7th chord scale.

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Diatonic 7th Chord Scales Pattern 4

In lesson 27 you'll be learning pattern for of the diatonic 7th chord scale.

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Diatonic 7th Chord Scales Pattern 5

Lesson 28 shows you the 5th and final pattern, diatonic scale around the 7th chords.

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Harmonic Organization

In this lesson Jeff offers up some supplemental concepts in relation to how harmonic information can be organized.

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Diatonic 7th Chord Arpeggios Pattern 1

Just like the 7th chord scales gone over previously, Jeff will now be walking you through the arpeggio patterns in CAGED, starting with pattern 1.

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Diatonic 7th Chord Arpeggios Pattern 2

Jeff moves on to pattern 2 of the diatonic 7th chord arpeggios.

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Diatonic 7th Chord Arpeggios Pattern 3

Jeff moves on to pattern 3 of the 7th chord diatonic arpeggios.

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Diatonic 7th Chord Arpeggios Pattern 4

Jeff moves on to pattern 4 of the diatonic 7th chord arpeggios.

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Diatonic 7th Chord Arpeggios Pattern 5

Jeff moves on to the 5th and final pattern of the diatonic 7th chord arpeggios.

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Arpeggio Organization

As he did with harmonic content, Jeff goes over organization techniques for the diatonic 7th chord arpeggios.

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Overall Application

Jeff wraps up his Inside and Out series by providing guidance and insight into how to take all the individual chunks of information and apply them to your playing.

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Theory and Improvisation

Creative Control


Legends of Blues Rock: Learn Their Tricks

What do Jimi Hendrix, Eric Clapton, Chuck Berry, Jeff Beck, Keith Richards, Albert King, Joe Perry, Duane Allman, have in common? They all played with feeling, invented a signature guitar sound, and their phrasing and lick techniques became legendary. This course will help you learn to incorporate the signature techniques of the masters into your sound and take your guitar playing to the next level.


Jimmy Page

James Patrick Page ascended directly from his Blues roots in his first band, The Yardbirds, to form one of the most iconic bands in the history of music - the mighty Led Zeppelin. In this lesson, Jeffery will take a look at some of the techniques that are central to the sound that has, and will continue to be, an influence on musicians and music enthusiasts alike.

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30 Savage Rock Licks You Must Know


Theory and Improvisation

Next Level Pentatonics


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