Spectrum (31) - Never Can Say Good Bye - Spectrum Live at Budokan Sep. 22, 1981 (Album)
Spectrum (31) - Second Navigation / Spectrum 4 (Album)
Spectrum (31) - Spectrum Final / Spectrum 6 (Album)
Spectrum (31) - Legend - Golden Best (Compilation)
Spectrum (31) - Legend: Golden☆Best (Compilation)
Spectrum (31) - Spectrum Best (The Legend of Spectrum) = スペクトラム伝説 (Compilation)
Spectrum (31) - Spectrum Best (The Legend of Spectrum) (Compilation)
Spectrum (31) - Super Best (Compilation)
Spectrum (31) - Night Night Knight (Single)