Listen to The Amazing World of Gumball Theme but it's Lo-Fi online. The Amazing World of Gumball Theme but it's Lo-Fi is an Instrumental language song and is sung by Toastaku. The Amazing World of Gumball Theme but it's Lo-Fi, from the album The Amazing World of Gumball Theme but it's Lo-Fi, was released in the year 2023. The duration of the song is 1:36. Download Instrumental songs online from JioSaavn.