"Frog's Theme" is a track composed by Yasunori Mitsuda for the game Chrono Trigger. It is the thirteenth track on the first disk from the original soundtrack. The track serves as the theme for Frog. The song is first heard when Crono and Lucca defeat the Naga Nuns in Manolia Cathedral, after which Frog appears to slay the final remaining creature. Again, the track is heard as Frog exits Guardia Castle, lamenting that he was unable to prevent the capture of his liege, Queen Leene. During several cut-scenes, when Frog is depicted as a human man alongside his friend, Cyrus, the song also plays. A short prelude to the song appeared on the original soundtrack, although not in game. Mitsuda commented that the introduction was removed due to its involvement with the cut-location, Singing Mountain.