Transformers: Age of Extinction – The Score the film could increase their music's exposure worldwide. Imagine Dragons was brought to Los Angeles for the collaboration; Jablonsky also traveled to the band's studio in Las Vegas, Nevada to record with the band. The band's lead singer Dan Reynolds recorded vocals, while drummer Daniel Platzman played the viola. Composer Joseph Trapanese also provided additional music for the film. On June 30, 2014, Jablonsky released an extended play featuring four tracks as a teaser for the official score, which features variations of the four themes. On July 3, 2014, three days after the EP's release, the official score was released
Gold (Imagine Dragons song) remix of the song was featured on the soundtrack of the video game, "NBA 2K17". According to the sheet music published at musicnotes.com, the song is written in the key of A minor, with a moderate tempo. Along with "Hopeless Opus" and "I'm So Sorry" on "Smoke + Mirrors", the song touches upon lead-singer Dan Reynolds' depression struggles. Dan Reynolds told "Billboard" that "Gold" was one of the last songs to be recorded for "Smoke + Mirrors": "I came home from tour with my head spinning and decided to run away for a bit to the west coast and reflect/write