The D# Major chord is a triad consisting of three notes: D#, F## (which is enharmonically equivalent to G), and A#. It is built on the root note D# and follows the major chord formula of a major third and a perfect fifth. In music, the D# Major chord is often used in various genres, including classical, pop, and jazz. It can create a bright and uplifting sound, making it a popular choice for composers and songwriters looking to evoke positive emotions in their music.