The F# major / Gb major scale has 7 notes: F#, G#, A#, B, C#, D# and F. Its formula is 1 2 3 4 5 6 7 and its steps, in tones, are 1 – 1 – ½ – 1 – 1 – 1 – ½.
The major scale is the reference scale of Western music: seven notes with a clear, stable sound. It is the basis of major keys and of the chords built on them.
F# major
F# G# A# B C# D# F · 1 2 3 4 5 6 7
Colored dots: notes of the scale, the root is the darkest.