3-String Major & Minor Triads on Strings 2-3-4 | Guitar Exercise
by Jason WilfordAug 1, 2026, 12:22 PM
3 Essential Major & Minor Triad Shapes Every Guitarist Should Know
Learn the three essential major and minor 3-string triad shapes every guitarist should memorize, while building the muscle memory needed to move confidently between them.
Triads are one of the most useful tools for understanding the guitar fretboard, creating more interesting rhythm parts and moving beyond basic open and barre chords.
In this lesson, you'll practice the three movable major and minor triad shapes found on strings 2, 3 and 4. Rather than simply memorizing each shape separately, you'll connect them through a musical chord progression that helps develop practical muscle memory.
The exercise uses a IV–iv–I progression in the key of D, moving from G major to G minor before resolving to D major. This progression gives you an opportunity to hear the difference between major and minor triads while practicing smooth movement between the three shapes.
As you work through the exercise, focus on keeping your fingers close to the fretboard, changing shapes cleanly and recognizing how each triad connects to the next position. Practicing the progression slowly and consistently will help the shapes become automatic.
Download the PDF below and follow along with the complete video lesson.
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