Hydra (From "Cytus II")
Akira Complex, James Landino
Hydra
James Landino, Akira Complex
HYDRA
MYTH & ROID
VORACITY
MYTH & ROID
HYDRA
Saneyori
Hydra (NEFFEX)
NEFFEX, Blvk Sheep, AMF
Hydra
F-777
Summertime Sadness
Within Temptation
Hydra
Covet
Kids
MGMT
【中文填词】不为人知的鹅妈妈童谣【六人合填】【重音テト】
梁松雪, 珞一不高兴, 水螅-Hydra, 锌轲, HANA, Herllie
Hydra
Rhythmstar & Pawz
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Hydra
aran
HYDRA（翻自 MYTH&ROID）
冰镇豆沙君
hydra (long edit)
Betwixt & Between
Dangerous
Within Temptation
Let Us Burn
Within Temptation
Covered by Roses
Within Temptation
Paradise (What about Us)
Within Temptation, Tarja
Hydra
KVKS, HSHK, VodKa, Pnan
Tramp Like You
Oracle Sisters
Hydra
RYLLZ, Milos Loren
HYDRA
狐妖Mikan
And We Run
Within Temptation
Dog Days
Within Temptation
Hydra
Celestial Realms
Hydra (Original Mix)
Holl & Rush
不认识自己
kxpl, BatHydraEagle, Prod by KK
Summertime Sadness
Within Temptation