Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Summertime Sadness
Within Temptation
HYDRA
狐妖Mikan
Hydra
Crossfire
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA
四六時Shirokuji
Hydra
F-777
Hydra
James Landino, Akira Complex
Hydra
Covet
Hydra (Meditation)
Celestial Realms
HYDRA（piano ver.）
琳依
Dangerous
Within Temptation
Hydra
Dal Av, Jackson Rose, Scottay, Everglade
Hydra
Smith Village Beat Street
Hydra
Rhythmstar & Pawz
HYDRA
Saneyori
Paradise (What about Us)
Within Temptation, Tarja
Covered by Roses
Within Temptation
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Tramp Like You
Oracle Sisters
装*(Hydrax Remix)
Hydrax
十六夜、刻を止めて
玲瓏のHydrangea
hydra (long edit)
Betwixt & Between
Whole World is Watching
Within Temptation
Hydra
R. Armando Morabito, Julie Elven, Tina Guo
Silver Moonlight
Within Temptation
HYDRA
黒沢大佑
Dog Days
Within Temptation
HYDRA
LXNGVX, DJ FKU