Messing with the past can change the future, and Marty is constantly reminded of that when interacting with his parents. As he works to keep the future together, he accidentally introduces new concepts to 1955, including portable music devices and “Johnny B. Goode.” In 1985, people know the song as a colossal Chuck Berry hit, first heard in 1958. But when Marty plays it at the Enchantment Under the Sea Dance, he creates a Bootstrap Paradox, which is when information, like a song, is used in a time before its existence. This leads to the self-creation of information, with the future influencing the past, unbeknownst to those living in the past.
Marty’s rendition of the song is so great that Marvin calls his cousin Chuck, begging him to listen to the new sound. To Marty, it’s a song that will satisfy the crowd, but to Chuck and Marvin, it’s the music of the future. The moment leads to Marty’s accidental role as a founding father of rock ‘n roll, and he also influences the genre with his dance moves inspired by future rock stars.
In 2020, Michael J. Fox told Empire that he worked with a choreographer for Madonna in order to bring futuristic moves to 1955. “I said, ‘I dance like a duck. I can’t dance. But what I’d like to do is incorporate all the characteristics and mannerisms and quirks of my favorite guitarists, so a Pete Townshend windmill, and Jimi Hendrix behind the back, and a Chuck Berry duck walk.'”
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