Core Evolutions Gravidon 3 about 10 years ago 1 Zedd - Spectrum (Gravidon Remix) [A.K.A. Gravitism] Gravidon Gravidon 1615 2 Frenzy Gravidon Gravidon 1368 3 Audiotool Day (Gravidon Remix) [A.K.A. Radiance] Gravidon Gravidon 775 4 Music Box (Gravidon Remix)[A.K.A. Fusion] Gravidon Gravidon 1218 5 Serenity 3 Gravidon Gravidon 548 6 Mother Earth (Gravidon Remix) [A.K.A. Freedom] Gravidon Gravidon 774