G (musical note)

G, also called Sol or So, is the fifth note of the fixed-do solfège starting on C. It is the fifth note and the eighth semitone of the solfège. As such it is the dominant, a perfect fifth above C or perfect fourth below C.

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of middle G (G4) note is approximately 391.995 Hz. See pitch for a discussion of historical variations in frequency.

It has enharmonic equivalents of F (F-double sharp) and A (A-double flat).

Common scales beginning on G

 * G major: G A B C D E F♯ G
 * G natural minor: G A B♭ C D E♭ F G
 * G harmonic minor: G A B♭ C D E♭ F♯ G
 * G melodic minor ascending: G A B♭ C D E F♯ G
 * G melodic minor descending: G F E♭ D C B♭ A G

Diatonic scales

 * G Ionian: G A B C D E F♯ G
 * G Dorian: G A B♭ C D E F G
 * G Phrygian: G A♭ B♭ C D E♭ F G
 * G Lydian: G A B C♯ D E F♯ G
 * G Mixolydian: G A B C D E F G
 * G Aeolian: G A B♭ C D E♭ F G
 * G Locrian: G A♭ B♭ C D♭ E♭ F G

Jazz melodic minor

 * G ascending melodic minor: G A B♭ C D E F♯ G
 * G Dorian ♭2: G A♭ B♭ C D E F G
 * G Lydian augmented: G A B C♯ D♯ E F♯ G
 * G Lydian dominant: G A B C♯ D E F G
 * G Mixolydian ♭6: G A B C D E♭ F G
 * G Locrian ♮2: G A B♭ C D♭ E♭ F G
 * G Altered: G A♭ B♭ C♭ D♭ E♭ F G

In popular culture
It is the first note of the 2006 song "Welcome to the Black Parade" by My Chemical Romance, which made the note a meme.