The son of an avid record collector, Yuji Koseki was always attracted to making music. While attending Fukushima University, he made it his hobby to play harmonica in a street band. Following university, at the age of 21 Koseki joined Columbia Records, where he soon composed his first classical piece, "Tale of the Bamboo Cutter: (based on the fable of the same name, Taketori Monogatari). In 1931 Koseki moved to the Tokyo branch of the company, Nippon Columbia Records, where he toiled in both the classical and pop songwriting departments. Read more... films to survive World War II, entitled Momotaro: Umi no Shinpei (1945). Later he scored a far more famous fantasy film, Mosura (1961), for which he helped write the world-famous "Mothra Song", reprised in several later Gojira films. He is better remembered for songs like that and others he composed at Columbia Records than for his sporadic movie work.