The song's subject and the album in general was about the melancholic passing of another sweet year of youth, which is a particularly Japanese obsession.

[2] In 2014, eighteen years after its release, a re-recorded version of "Sweet 19 Blues" was made for Amuro's compilation album Ballada.

Avex Trax hired Tetsuya Komuro, who previously worked with Amuro while she was with Super Monkey's.

[4] Sweet 19 Blues featured a diverse cast of collaborators and composers, including Cozy Kubo, Akio Togashi, Takahiro Maeda, M.c.A.T, and Randy Waldman.

The song carries its album's title, which according to Ted Mills from AllMusic, was a reflection of a "melancholic passing of another sweet year of youth" and a "particular Japanese obsession".

[8] "Sweet 19 Blues" is the final full-length recording on its parent album, replacing guitar riffs by Kazuhiro Matsuo with Michael Thompson.

"[14] "Sweet 19 Blues" debuted at number two on the Oricon Singles Chart with 101,830 copies sold in its first week.