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G major is a major key based on the note G. Its key signature contains one sharp: F#.
What is G major?
The G major scale consists of the notes G, A, B, C, D, E and F#. Its relative minor is E minor, which shares the same key signature.
The primary chords in G major are G major (I), C major (IV) and D major (V). These chords form the harmonic foundation of the key.
How is G major used in piano playing?
G major is one of the first keys many piano students learn because it contains only one sharp. Practicing its scales, chords and common chord progressions helps develop keyboard technique and a solid understanding of major-key harmony.
Studying G major also improves music-reading skills and builds confidence when playing in sharp key signatures.