田村直美 (or Naomi Tamura) is a j-pop singer who sings the first opening theme of the anime series Get Backers:
Love that Never Wavers (Yuragu Kotonai Ai or 揺らぐことない愛).
She also sang the first and third opening themes of the anime series Magic Knight Rayearth:
Yuzurenai Negai or ゆずれない願い
Hikari to Kage wo Dakishimeta Mama or 光と影を抱きしめたまま
She also was the lead Vocal of Pearl, J-Rock band with a prolific discography (at least 8 Cd`s). The last Cd`s of Pearl Includes Tony Franklin (Bass) and Carmine Appice (Drums), recognized artists all around the globe.