G major

G major
${ \magnifyStaff #3/2 \omit Score.TimeSignature \key g \major s16 \clef F \key g \major s^"" }$
Relative key	E minor
Parallel key	G minor
Dominant key	D major
Subdominant key	C major
Component pitches
	G, A, B, C, D, E, F♯

G major is a major scale based on G, with the pitches G, A, B, C, D, E, and F♯. Its key signature has one sharp. Its relative minor is E minor and its parallel minor is G minor.

The G major scale is:

$\header { tagline = ##f } scale = \relative f' { \key g \major \omit Score.TimeSignature g^"G natural major scale" a b c d e fis g fis e d c b a g2 \clef F \key g \major } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }$

Changes needed for the melodic and harmonic versions of the scale are written in with accidentals as necessary. The G harmonic major and melodic major scales are:

$\header { tagline = ##f } scale = \relative f' { \key g \major \omit Score.TimeSignature g^"G harmonic major scale" a b c d es fis g fis es! d c b a g2 \clef F \key g \major } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }$

$\header { tagline = ##f } scale = \relative f' { \key g \major \omit Score.TimeSignature g^"G melodic major scale" a b c d e fis g f es d c b a g2 \clef F \key g \major } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }$