Envelope – TheFatRat Roblox Id 4520944759 Vote Up +26 Vote Down -4You already voted! This is the music code for Envelope by TheFatRat 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: Envelope - TheFatRat Roblox Id