Spectrum is still talked about as a "legendary brass rock band" in the Japanese music scene. Spectrum (active from 1979 to 1981) Ichiro Nitta Tp. Junichi Kanesaki Tp. Toshiyuki Yoshida Tb. Naoki Watanabe B. Vo.(ex- AB's) Shinji Nishi G. Vo. Keiichi Oku Key. Atsuo Okamoto Dr. (ex- AB's) Takuro Konno Per.