Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
James Landino, Akira Complex
HYDRA
Ben Monder
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Hydra
Covet
HYDRA
四六時Shirokuji
HYDRA
狐妖Mikan
Hydra（Cover MYTH & ROID）
Uncle周
Hydra
F-777
Hydra
Dal Av, Jackson Rose, Scottay, Everglade
Hydra
yvette young
Summertime Sadness
Within Temptation
【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
Kryptos
hydra (long edit)
Betwixt & Between
Dangerous
Within Temptation
Paradise (What about Us)
Within Temptation, Tarja
Hydra
ARTIN, Revealed Recordings
装*(Hydrax Remix)
Hydrax
Tramp Like You
Oracle Sisters
Nature Flow (Teil 1)
Jens Buchert
HYDRA
Saneyori
Hydra
TOTO
And We Run
Within Temptation
Hydra
KVKS, HSHK, VodKa, Pnan
Whole World is Watching
Within Temptation
Covered by Roses
Within Temptation
Hydra
Rhythmstar & Pawz