Originally mooted as an NME giveaway flexi, it became the final track on London Calling – too late, however, to include on art-work that had already gone to the printers.

[15] The song has been interpreted to be about Jones' volatile relationship with Albertine, who commented "I'm really proud to have inspired that but often he won't admit to it.

Cash Box wrote that this was Clash's "most commercial effort...to date," stating that "an infectious rhythm has supplanted the three chord guitar attack" and added that Joe Strummer's playing is "more restrained but equally as effective.

"[17] Record World wrote that "Mick Jones' vocals reach expressive cries and the overall sound has a crisp, rockabilly feel that should move the Clash into best-seller status.

"[18] "Train in Vain" was released in mainland Europe as a 33 rpm single in June 1980 (catalogue number CBS 8370) and included the tracks "Bankrobber" and "Rockers Galore... UK Tour".

"Train in Vain" has become an influential and well-known song, covered by artists as diverse as the British indie dance band EMF, American country singer Dwight Yoakam, and San Francisco rockers Third Eye Blind.

[8] Joe Strummer and Mick Jones received a co-writing credit and royalties from the Garbage song under its original release.

The song was also covered by Atlanta alt-rock outfit Blueburst, featuring Marty Willson-Piper (the church, Noctorum, All About Eve) on guitar.