F-777 – Hydra Roblox Id 2195978340 Vote Up +9 Vote Down -18You already voted! This is the music code for F-777 by Hdra and the song id is as mentioned above. Please give it a thumbs up if it worked for you and a thumbs down if its not working so that we can see if they have taken it down due to copyright issues. Tags: F-777 - Hydra Roblox Id