西暦1989年生まれの3人で構成されたグループ THREE1989(読み：スリー) 70年代, 80年代, 90年代のサウンドを取り入れ、ダンスミュージックを織り交ぜた、現代的かつ懐かしさを感じる楽曲が特徴。 Shohei（Vo）の圧倒的な歌唱力と美声、Datch（DJ）がスクラッチとサンプラーを多用したプレイスタイル、Shimo（Key）の様々な楽器を使いこなす高い演奏能力でライブパフォーマンスを行う。 THREE1989 is a group made up of three people born in the year 1989. (read: "THREE" only) Their music is characterized by a modern yet nostalgic feel, incorporating sounds from the 70's, 80's, and 90's, mixed with dance music. Each of the three writes lyrics and music, and performs live with Shohei (Vo)'s overwhelming singing ability and beautiful voice, Datch (DJ)'s play style that uses a lot of scratches and samplers, and Shimo (Key)'s high performance ability that uses a variety of instruments.