Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
Covet
Hydra
Fred V, Grafix
Hydra
Crossfire
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
HYDRA
狐妖Mikan
HYDRA
四六時Shirokuji
Hydra
aran
Hydra
Smith Village Beat Street
Hydra
F-777
Hydra
Celestial Realms
HYDRA
Saneyori
Hydra
Rhythmstar & Pawz
Summertime Sadness
Within Temptation
Hydra
James Landino, Akira Complex
Tramp Like You
Oracle Sisters
HYDRA OGGANG
Hydra
装*(Hydrax Remix)
Hydrax
HYDRA（piano ver.）
琳依
Paradise (What about Us)
Within Temptation, Tarja
hydra (long edit)
Betwixt & Between
Hydra (Meditation)
Celestial Realms
Summertime Sadness
Within Temptation
And We Run
Within Temptation
Hydra
R. Armando Morabito, Julie Elven, Tina Guo
Nature Flow (Teil 1)
Jens Buchert
Dangerous
Within Temptation
HYDRA
Ben Monder