Despite most of his songs being written by Akio Inoue and composed/arranged by Daisuke Asakura (also TMR's former producer), T.M.Revolution is considered Nishikawa's solo project.
Meskipun sebagian besar lagu yang ditulis oleh Akio Inoue dan terdiri / disusun oleh Daisuke Asakura (juga mantan produser TMR), T.M.Revolution dianggap proyek solo Nishikawa.