The Complete Guide to the CAGED System on Guitar

The CAGED system is a visual and theoretical methodology that maps the five fundamental open chord grips—C Major, A Major, G Major, E Major, and D Major—across the entire length of the guitar neck.

Because the guitar is tuned in standard intervals (E-A-D-G-B-E, four fourths and one major third between G and B), every open chord grip has a moveable barre equivalent. As you move up the neck chromatically, these five shapes always connect in the exact same cyclical sequence:

Regardless of which shape you start from, the subsequent shape is always the next letter in the word CAGED (wrapping around from D back to C).

Each of the five shapes features root notes on specific string pairs:

1. C Shape (Root on 5th and 2nd strings): Characterized by a major third on the 4th string and a 5th on the 3rd string. When played as a barre chord, it provides a warm, rich mid-register voicing.
2. A Shape (Root on 5th and 3rd strings): The most common moveable barre chord after the E shape. Features a triple barre across strings 4, 3, and 2 with the fifth on the 1st string.
3. G Shape (Root on 6th, 3rd, and 1st strings): Highly resonant with open-style voicing spreads. Essential for acoustic fingerpicking and country/bluegrass hybrid picking.
4. E Shape (Root on 6th, 4th, and 1st strings): The ubiquitous standard 6-string barre chord grip forming the cornerstone of rock and blues rhythm playing.
5. D Shape (Root on 4th and 2nd strings): High-register triad shape focused on the top four strings (D, G, B, high E), perfect for funk comping and lead fills.

The true power of CAGED emerges when you overlay major and minor pentatonic scales directly on top of the chord grips:

• CAGED Shape 1 (E Shape): Corresponds directly to Minor Pentatonic Box 1 (or Major Pentatonic Box 5). This is the home box for blues and rock soloing.
• CAGED Shape 2 (D Shape): Corresponds to Minor Pentatonic Box 2 (Major Pentatonic Box 1), featuring sweet major third intervals and vocal bend targets.
• CAGED Shape 3 (C Shape): Corresponds to Minor Pentatonic Box 3 (Major Pentatonic Box 2), ideal for soulful BB King-style box inflections.
• CAGED Shape 4 (A Shape): Corresponds to Minor Pentatonic Box 4 (Major Pentatonic Box 3), centered around the 5th-string root with effortless access to horizontal slide extensions.
• CAGED Shape 5 (G Shape): Corresponds to Minor Pentatonic Box 5 (Major Pentatonic Box 4), bridging the lower and upper octaves seamlessly.

For high-speed alternate-picked runs inside these boxes, the symmetrical 3-notes-per-string system is the natural companion to CAGED.

To build subconscious fretboard visualization, execute this daily drill:

1. Pick a Key (e.g., Key of G): Locate all 5 G Major chord grips from open position to fret 15.
2. Arpeggiate Up and Down: Play the individual chord tones (Root, 3rd, 5th) within each shape.
3. Connect with Scales: Play the G Major scale within the boundary of each CAGED box without shifting your fretting hand out of position.
4. Improvise Over a Jam Drone: Switch between adjacent boxes smoothly using horizontal index-finger slides.

Run the full routine against the interactive Daily Scale Explorer to hear each shape in key. If you cannot yet name the notes you are playing, pair this with Memorize Every Note on the Fretboard first.