Listen to Top Secret (From The Episode "Heart Of Ice") online. Top Secret (From The Episode "Heart Of Ice") is an Unknown language song and is sung by Todd Hayen and Shirley Walker. Top Secret (From The Episode "Heart Of Ice"), from the album Batman: The Animated Series, Vol. 3 (Original Soundtrack from the Warner Bros. Television Series), was released in the year 2014. The duration of the song is 0:57. Download Unknown songs online from JioSaavn.