C major is a musical scale that consists of the notes C, D, E, F, G, A, and B. It is known for its bright and cheerful sound, making it one of the most commonly used scales in Western music. The absence of sharps and flats in this scale makes it particularly accessible for beginners learning to play instruments like the piano or guitar. In the context of music theory, the C major scale serves as the foundation for many compositions and songs. It is often used in various genres, including classical, pop, and folk music. The C major chord, which includes the notes C, E, and G, is a fundamental building block in harmony and is frequently used in chord progressions.