Listen to Under the Sea (From "Little Mermaid - The Musical") online. Under the Sea (From "Little Mermaid - The Musical") is an English language song and is sung by Musical Score Productions. Under the Sea (From "Little Mermaid - The Musical"), from the album The Essential Musical Soundtrack Album - The Very Best Stage & Theatre Songs of All Time, was released in the year 2015. The duration of the song is 3:09. Download English songs online from JioSaavn.