Listen to You Must Believe In Spring (Bonus Track) online. You Must Believe In Spring (Bonus Track) is an English language song and is sung by Jean-François Jenny-Clark, Richard Gallliano and Daniel Humair. You Must Believe In Spring (Bonus Track), from the album French Touch (Bonus Track Version), was released in the year 2009. The duration of the song is 4:50. Download English songs online from JioSaavn.