The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

The Yokohama F. Marinos, a professional soccer team based in Yokohama, is one of the most successful teams in the J.League, having won several championships.

Cowboy Bebop, created by Shinichiro Watanabe in 1998, is a popular anime series that blends science fiction, film noir, and jazz music to create a unique and memorable atmosphere.