In 2015, Evanescence emerged from hiatus and announced they would resume touring; however, they stated that new Evanescence material was not being produced, as Lee was focusing on a solo project instead. In addition, Balsamo left the band and was replaced by Jen Majura. In March 2017, Lee stated Evanescence was working on a fourth album for release later in 2017; "Synthesis" was released worldwide on November 10, 2017, and marked a stylistic change in the band's sound. On March 26, 2021, the band released their fifth studio album, "The Bitter Truth".