Blue Train (Asian Kung-Fu Generation song)

"Blue Train" (ブルートレイン, Burū Torein) is a song by Japanese rock band Asian Kung-Fu Generation, released as their 10th single on November 28, 2007. The single reached number 5 on the Oricon charts in Japan and remained on the charts for 10 weeks.

The song is notable for its driving, upbeat tempo and its prominent use of melodic guitar riffs characteristic of the band's style. The lyrics, written by vocalist and guitarist Masafumi Gotoh, explore themes of searching for identity and dealing with the passage of time. While not explicitly stated, the "Blue Train" metaphor is often interpreted as representing the journey of life and the anxieties associated with navigating one's future. The song evokes a sense of both urgency and introspection.

"Blue Train" was included on the band's fourth studio album, World World World, released in 2008. It quickly became a fan favorite and remains a staple of their live performances. The single also featured a B-side track titled "Hello Goodbye," further showcasing the band's diverse musical abilities.