tri patterns is an electronic music duo from Los Angeles, California. The group consists of brothers Ethan and Noah Prewitt. They are known for their dreamy, atmospheric soundscapes and intricate melodies. Their music has been described as "a blend of ambient, electronica, and post-rock." tri patterns have released four EPs and two full-length albums, including their most recent release, "Shadows." They have toured extensively throughout the United States and Europe, and have performed at festivals such as Coachella and Bonnaroo.