Want to learn how to play a A dominant 7th chord? This complete guide shows you how to make and play a A dominant 7th chord on any instrument. Whether you're searching for "how to play a dom7", "a chord", or "how to make a a chord" - you'll find the notes, formula, and fingering diagrams you need.
How to Make & Play a A Dominant 7th Chord
Chord Formula
1 3 5 ♭7
Solfege Names
La - Do# - Mi - Sol
A Major Scale (Chord Formula Reference)
Steps: W W H W W W H
Chord formulas reference degrees from this scale (e.g., 1-3-5 = A-C#-E)
How to Build a A Dominant 7th Chord: Step-by-Step
A Dominant 7th Chord Notes and Formula
Learn how to construct this chord using the chord formula
Start with the root note
Begin with A as your foundation note.
Apply the dominant 7th formula
Use the chord formula: 1 3 5 ♭7 (scale degrees from the major scale)
Result: A7 chord
Your complete chord contains: A, C#, E, G
How to Play A Dominant 7th Chord on Guitar and Piano
Instrument Fingering Diagrams
Learn multiple ways to play the A dominant 7th chord on different instruments
How to Play A Dominant 7th on Guitar
To play a A dominant 7th chord on guitar, you'll need to fret the notes A, C#, E, G. Click below to see multiple guitar chord shapes and fingering positions for the A dominant 7th chord.
How to Play A Dominant 7th on Piano
On piano, play the A dominant 7th chord by pressing the keys for A, C#, E, G together. You can play this chord in any octave, and try different inversions by rearranging the note order while keeping all the chord tones.
Other Instruments
The A dominant 7th chord can be played on any instrument. Use the notes A, C#, E, G as your guide.