of the band and that all guitar parts were written by all members of the band, who are all multi-instrumentalists. It is worth noting that the band has not yet released material written by Todd Gummerman, and the band has not discussed any writing processes including him, although certain posts in Darren King's Vine account show Todd present and active during the writing process. When asked about what kind of influences and sounds the band has in mind for the future potential album release, Roy stated, "Anything is fair play for us, as long as we can pull it off convincingly." Paul Meany also responded to a fan question via Twitter in January 2014 asking about the amount of music the band had written saying, "I can tell [you] we've written more songs for this record than for the past 3 combined." On September 25, 2013, Darren King posted a vine of a sample of a new song the band was working on. This was followed on November 9 when Darren posted a short clip of Todd and what appears to be Roy at work in the process of writing new material. In 2014 Mutemath begin playing new material live. Songs included "Monument", "Stratosphere", "Light Up" and "Used To". MuteMath officially announced the title of their new album as Vitals on May 21, 2015, via their official Facebook page. Vitals was released on November 13, 2015. The band toured in the US and Europe during the Spring of 2016 on the Vitals World Tour in support of the album with special guests Nothing But Thieves and Paper Route. A planned Australian leg of the tour was cancelled so the band could join Twenty One Pilots on their Emotional Roadshow World Tour, which took place in Summer 2016. After completing the tour with Twenty One Pilots, the band announced their first remix album Changes. The album consists of new versions of tracks from Vitals with contributions from Yachtclub, JT Daly, and Flint Eastwood and features the new title track as the single from the release. The album was released on September 23, 2016. On May 3, 2017, Roy Mitchell-Cárdenas announced his departure from MuteMath and the group announced that Jonathan Allen would be joining the group on tour starting May 6, 2017. Mutemath began posting snippets of a new song on their official website on June 4, 2017 counting down to