Members: Vocal: Mitsuo Takeuchi Bass: Taiji Sawada Guitar: Taiji Fujimoto Guitar: Tomoyuki Kuroda Keyboard: Kenji Shimizu Drums: Kazuhisa "Roger" Takahashi Ex-members: Drums: Toshihiko Okabe Guitar: Ichiro Keyboard: Shigeo Komori D.T.R consisted of a rag-tag group of musicians that were formerly a part of other various rock projects and groups. They formed in the mid 90s and were one of the few Japanese groups that could actually be described as “melodic heavy metal.