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 and is known for its rich, warm sound. The key signature of G♭ major contains six flats, making it one of the more complex keys to play on instruments like the piano. In terms of relative keys, G♭ major is related to its minor counterpart, E♭ minor. This relationship allows composers to explore different emotional qualities within their music. G♭ major is less commonly used than some other keys, but it can create unique atmospheres in compositions.