Mutemath is an American alternative rock project founded by American singer-songwriter, multi-instrumentalist and record producer Paul Meany. Originally co-founded as a band with Darren King in 2002, Meany decided to continue Mutemath as a solo project following King's departure in 2017. Mutemath draws heavily from influences in 1960s and 1970s soul, psychedelic rock, and jam band styles, utilizing vintage guitars and amplifiers as well as Rhodes keyboards, synthesizers, and other electronic instruments such as the keytar.

Circa Survive is an American rock band from Philadelphia, Pennsylvania, that formed in 2004. The band, led and founded by Anthony Green, consists of former members from This Day Forward and Taken.