Fervor Records has landed legendary vocalist Sanford Clark’s 1967 single, Calling All Hearts in the 20th Century Fox flick, Walking With Dinosaurs. Clark’s career has crossed paths with the likes of Lee Hazlewood, Ray Price, Roy Orbison and Keith Richards to name a few. The singer was also no stranger to the top of the Billboard charts. Add Walking With Dinosaurs to your Christmas vacation movie list as it arrives in theaters in 2D and 3D on December 20th! Calling All Hearts is available on iTunes and beyond.