What is this song? This is "Matsuken Maharaja." It looks very strange. He is Ken Matsudaira (Matsuken), an actor mostly plays samurai roles.
Ken Matsudaira - Wikipedia
Active both in television and on stage, he also sings. Matsudaira is most widely known for jidaigeki roles, having made his debut with Shintaro Katsu in an episode of the television series Zatoichi. For a quarter of a century, he starred in the series Abarenbo Shogun as Tokugawa Yoshimune, the title character.
