There are three artists called XI: 1) Xi is the name of a doujin artist from the circle AQUAELIE that makes metal arranges of touhou music. 2) Xi start from the desire to play the best rock music they can to as many people as they can. Along the way they create songs that reflect their lives and relationships in an increasingly complex world. Musically, they acknowledge their antecedents in rock while always striving to achieve something contemporary and new. Energetic, upbeat and complex enough to be interesting while remaining accessible enough to simply get down to.