 Following his break, Kent moved to Los Angeles, remaining a freelance architect, while venturing into his musical career.Throughout the 1930s and 1940s, Kent worked in the motion picture industry composing songs for films, including several westerns.As World War II started in Europe, Kent’s thematic concepts of his work turned towards the conflict, with the composition of the melody of "(There'll Be Bluebirds Over) The White Cliffs of Dover" in 1941.