Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Hydra
F-777
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
Hydra
James Landino, Akira Complex
HYDRA（piano ver.）
琳依
Hydra
Covet
Summertime Sadness
Within Temptation
Hydra (Remastered)
Stiven Escarraga
Hydra
Celestial Realms
HYDRA
四六時Shirokuji
Paradise (What about Us)
Within Temptation, Tarja
Hydra
Rhythmstar & Pawz
HYDRA
狐妖Mikan
HYDRA
Saneyori
紫陽花の夜
ねじ式, GUMI
Dangerous
Within Temptation
HYDRA
MYTH & ROID
And We Run
Within Temptation
Covered by Roses
Within Temptation
hydra (long edit)
Betwixt & Between
你的继爸，祝他好（Reprod.Greg B&Hydraa）
Xallowcav3!
Nature Flow (Teil 1)
Jens Buchert
Hydra
VIOZ, HSHK, VodKa, Pnan
Hydra
aran
HYDRA
Ben Monder
Hydra (Original Mix)
Holl & Rush
Summertime Sadness
Within Temptation
Hydra
R. Armando Morabito, Julie Elven, Tina Guo