F♯ major (also written G♭ major) is a major chord made of 3 notes: F♯, A♯, C♯. It sounds bright, settled and complete, and you hear it in the home chord of countless songs in every style. It is the I chord of F♯ major and turns up in 5 other keys.
The library above opens on F♯ with 14 shapes up and down the neck, starting with hand-checked ones. Tap a shape to hear it, or play it one string at a time.