Gadd15 Major
The Gadd15 chord is built from the notes G – B – D – G.
Piano sound loads on first tap.
Chord tones, one by one
GRoot
Root
The fundamental note the chord is built on — G.
BThird
Major third
Four semitones — makes the chord major (brighter, happier).
DFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
GExtension
Extension (24 st)
An upper extension 24 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Ionian (major) scale; its characteristic note is the perfect 4th, what sets it apart from Lydian.
🎸 Genres
Pop · Classical · Gospel