The song "Under Mount Fuji" is copyrighted in Japan. According to relevant public information inquiries, the song under Mount Fuji is copyrighted, and its copyright belongs to a Japanese music publishing company. "Under Mount Fuji" is a famous Japanese folk song composed by Japanese composer Shinpei Nakayama. First published in 1967, the song has a history of more than 50 years and is widely popular for its beautiful melody and soulful lyrics.