G Sharp is a musical note that is one semitone higher than G. It is commonly used in various musical scales and compositions, playing a crucial role in creating melodies and harmonies. In Western music, G Sharp is often represented by the symbol "G♯" and can be found in both major and minor keys. In the context of music theory, G Sharp can be related to other notes, such as A Flat, which is enharmonically equivalent. Musicians may encounter G Sharp in different instruments, including the piano, guitar, and violin, where it can be played in various octaves and positions.