Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
Covet
Hydra
James Landino, Akira Complex
Hydra
Crossfire
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA
四六時Shirokuji
HYDRA（piano ver.）
琳依
Summertime Sadness
Within Temptation
HYDRA
狐妖Mikan
十六夜、刻を止めて
玲瓏のHydrangea
Hydra
F-777
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Paradise (What about Us)
Within Temptation, Tarja
Hydra (Meditation)
Celestial Realms
And We Run
Within Temptation
hydra (long edit)
Betwixt & Between
Hydra
Rhythmstar & Pawz
Tramp Like You
Oracle Sisters
HYDRA
LXNGVX, DJ FKU
Whole World is Watching
Within Temptation
Hydra
Gegheddu
Silver Moonlight
Within Temptation
Let Us Burn
Within Temptation
装*(Hydrax Remix)
Hydrax
Dangerous
Within Temptation
HYDRA
Ben Monder
Hydra
NGC 2244
Summertime Sadness
Within Temptation
HYDRA
Saneyori