[citation needed] He also played the piano and guitar, sang in choirs, formed rock bands, and wrote songs while growing up.

He cites his early influences as John Williams, Alan Silvestri, Strauss, Claude Debussy, Maurice Ravel, The Beatles, The Beach Boys, Eric Clapton, and Jimi Hendrix.

[4] In 2014, Lewis was nominated for the Annie Award for Outstanding Achievement in Music in an Animated Feature Production for his work on the 2013 film Free Birds.

[6][7][8] Lewis's close collaboration with Henry Jackman, led to the pair scoring Amazon's The Man in the High Castle.

He also developed character themes and assigned instruments like the cello for Juliana Crain and the French horn for Joe Blake.