Jack Ü is a music duo formed by two popular electronic music producers, Skrillex and Diplo. They came together to create a unique sound that blends elements of dubstep, trap, and house music. Their collaboration has produced energetic tracks that are loved by fans around the world. One of their most famous songs is "Where Are Ü Now," featuring Justin Bieber. This track showcases their ability to mix catchy melodies with powerful beats, making it a favorite at music festivals and parties. Jack Ü has made a significant impact on the electronic music scene, pushing boundaries and inspiring other artists.