Listen to Mother Sea (from "One Piece") (Piano and Rain Version) online. Mother Sea (from "One Piece") (Piano and Rain Version) is an Unknown language song and is sung by Quiet Gaze. Mother Sea (from "One Piece") (Piano and Rain Version), from the album Peaceful Anime (Piano and Rain Version), was released in the year 2022. The duration of the song is 1:35. Download Unknown songs online from JioSaavn.