Spectrum (31) - Bonus Track

Appeared on:

Spectrum (31) - Optical Sunrise / Spectrum 2 (Album)

Spectrum (31) - Second Navigation / Spectrum 4 (Album)

Spectrum (31) - Spectrum Final / Spectrum 6 (Album)

Spectrum (31) - Spectrum (Album)

Spectrum (31) - Time Break / Spectrum 3 (Album)