

See pitch (music) for a discussion of historical variations in frequency. When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the F ♯ above middle C (or F ♯ 4) is approximately 369.994 Hz. Another enharmonic note is E (E-double sharp). G ♭ is a major third below B ♭, whereas F ♯ is a major third above D (a minor third below A). Your guide to Music Theory, written by a composer. The notes in the 3rd beat of the first bar are D F sharp A. Labels: 12 major scales, enharmonic, flat, key, key signature, major scale, music, music theory, scale, sharp. Looking closely at the notes, there should be no doubt that this is G major: The first two beats outline the notes of G major: G B D. However, in some temperaments, it is not the same as G ♭. According to our table of key signatures that means that this can either be G major or E minor.

It lies a chromatic semitone above F and a diatonic semitone below G, thus being enharmonic to sol bémol or G ♭ (G-flat). F ♯ ( F-sharp also known as fa dièse or fi) is the seventh semitone of the solfège.
