However, a partial instrumental version of the song was played during the Pump Tour in 1990 as part of the "Sweet Emotion" medley with the "Peter Gunn Theme".

[2] Aerosmith debuted "Legendary Child" with a performance of the song on the season finale of the television show American Idol on May 23, 2012.

[5] After the release of the single, Aerosmith embarked on the Global Warming Tour with Cheap Trick, which took the band to two dozen North American locations from mid-June through mid-August 2012.

The line "I took a chance at the high school dance never knowing wrong from right" refers to the songs "Walk This Way", one of the band's biggest hits, and "Adam's Apple" respectively.

Nick Bassett of The Re-View referred to "Legendary Child" as "a brilliant single that could only be bettered if the frontman’s trademark falsetto was put to greater use.