Aozora (song)

This song was written in opposition to the continuing apartheid of the time.

[citation needed] "Heisei no Blues" (平成のブルース), the B-side track, was not on the album Train-Train.

[2] Mone Kamishiraishi worked with Glim Spanky on a cover of the song for her 2021 album Ano Uta -2-.

[3] In December 2019, the song was published as a picture book with illustrations by French artist Botchy-Botchy.

The book also features a 2 pages original text written by Yoshimoto Banana, who is a fan of the band ´The Blue Hearts’.