G♭ Major is a musical key that consists of the notes G♭, A♭, B♭, C♭, D♭, E♭, and F. It is often used in various musical compositions, particularly in classical and jazz genres. The key signature of G♭ Major has six flats, making it one of the more complex keys to play. In terms of its relative minor, G♭ Major is related to E♭ minor. This relationship means that both keys share the same key signature but have different tonal centers. G♭ Major can evoke a rich, warm sound, making it a favorite among composers for creating emotional and expressive music.