The Lydian mode is a musical scale that is the fourth mode of the major scale. It is characterized by a raised fourth degree, which gives it a bright and uplifting sound. For example, in the C Lydian scale, the notes are C, D, E, F#, G, A, and B. This unique interval creates a distinct flavor compared to other modes. In Western music, the Lydian mode is often used in various genres, including jazz, rock, and film scores. Its ethereal quality makes it suitable for creating dreamy or adventurous atmospheres. Musicians and composers frequently explore this mode to add variety and expressiveness to their work.