Sadly, there isn’t a single book in Japan that tells the story of Hako Yamasaki. With no definitive biography available in Japan, I utilized AI to assist in synthesizing vast archival data, allowing me to uncover the deeper narratives beneath her music. It proved surprisingly effective. It didn’t just gather information—it helped uncover what really lay beneath the surface. Behind every great work, there is a story about how it came into being. I hope this small attempt will help listeners better understand and appreciate the music of Hako Yamasaki, a truly rare singer-songwriter. (From this point on, she will be known simply as Hako.)