[Machine Translation] The "Classics" series compiles the vast catalog of music from the Smithsonian Folkways, a prestigious U.S. label, into a single theme each time, such as country, gospel, protest songs, Canadian songs, etc. The "Classics" series is ideal for understanding the history of North American roots music. This time, we introduce a compilation of "Blues," the core genre of contemporary popular music (Rock, Jazz, R&B, and Pop), from this series, which is ideal for unraveling the history of North American roots music.