Module 6 - Lesson 3
Open 7th Guitar Chords

- Beginner
- All Styles
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MODULE 6
Guitar Chords - Open Major Guitar Chords
- Open Minor Guitar Chords
- Open 7th Guitar Chords
- Open Minor 7th Guitar Chords
- Open Major 7th Guitar Chords
- Additional Open Guitar Chords: Add9, Sus2, Sus4
- Guitar Power Chords
- Guitar Triads and Dyads: Major, Minor, Augmented and Power Chords
- Four-Note Guitar Chords: Sixth, Seventh and Add9 Voicings
- Advanced Extended Guitar Chords: 9th, 11th and 13th Voicings
Mastering Open 7th Guitar Chords: Your Essential Beginner Guide
What Exactly Are Open 7th Guitar Chords?
Open 7th guitar chords, commonly known as dominant seventh chords, hold a unique place in music due to their characteristic bluesy and slightly unresolved sound. These chords often appear in genres like blues, jazz, funk, and even rock, making them essential tools in any guitarist’s skill set. While beginners typically start with simple major and minor chords, introducing open 7th chords into your practice routine early can significantly enhance your musical vocabulary.
Dominant seventh chords are built by adding a flattened seventh note to the basic major chord structure. Unlike standard major chords that sound stable and resolved, the added flattened seventh creates tension that begs for resolution, making these chords incredibly expressive.
Essential Open 7th Guitar Chords (Without Getting Lost in Theory)
When starting out, understanding basic shapes is more valuable than deep music theory. Let’s look at practical examples of common open 7th chords:
C7: This chord alters the shape of the G major by lowering the high note to the minor seventh (first fret on the high E string) giving it a distinctly bluesy character.
D7: Derived from the standard D major shape. Move your fingers to fret the second fret (G string), first fret (B string), and second fret (high E string). This chord is popular in classic blues and early rock-and-roll songs.
E7: Perhaps one of the simplest alterations: just lift your third finger from a regular E major chord. Optionally, you can place your little finger on the third fret of the B string to add a brighter top-end note.
G7: This chord adjusts the G major shape by shifting the bass note down to the flat seven, making it slightly more challenging but highly rewarding for the bluesy feel it adds.
A7: Possibly the easiest open 7th chord, formed by removing the middle note from the traditional A major shape. It’s a chord beginners typically master quickly due to its simplicity.
B7: in open position is especially useful for accompanying songs in E major, as it allows for a smooth and natural transition to E thanks to its easy-to-remember shape. Simple chord shapes like C7, D7, E7, G7, A7 and B7 help you build a diverse chord vocabulary.
An informal tip: your nails matter! Short fingernails significantly ease the pressure needed to fret these chords cleanly, preventing muted strings and buzzing sounds, common beginner frustrations.
Common Beginner Challenges (and How to Overcome Them)
Many new guitarists struggle with clear chord transitions and clean sound production. If your chords initially sound muddy or unclear, don’t worry. Focused daily practice (even for 10-15 minutes) can significantly improve your finger strength and precision.
Some useful reminders to keep in mind:
- Open 7th chords naturally sound less “finished” than major chords. Embrace their tension!
- Regularly check your hand posture to avoid accidental muting of adjacent strings.
- Practice transitions slowly at first; speed and smoothness come naturally with repetition.
Key Takeaways
- Open 7th chords are foundational for blues, jazz, and many other styles.
- Short nails facilitate clear playing and minimize beginner struggles.
Start incorporating open 7th guitar chords into your practice today. It’s an excellent way to build technical skill, explore various musical styles, and add authenticity to your playing.