Tot Musica

Tot Musica is a monstrous being known as the "Demon King of Songs", which is summoned when the user of the Uta Uta no Mi sings its namesake song. It is the secondary antagonist of One Piece Film: Red.

Abilities and Powers
Tot Musica is incredibly powerful, as it caused the destruction of Elegia after being summoned by Uta.

Past
12 years ago, Tot Musica was inadvertently summoned on Elegia when Uta sang its song. As a result, it went on a rampage of destruction, killing nearly all the people on the island. However, Shanks and the Red Hair Pirates managed to stop it.

One Piece Film: Red
Tot Musica is summoned by Uta once more during her concert on Elegia.

Trivia

 * Tot Música means "All Music" in Catalan.