Roots of Jack's Mannequin

Relient K is an American rock band formed in 1998 in Canton, Ohio, by Matt Thiessen, Matt Hoopes, and Brian Pittman during their third year in high school and time at Malone University in Canton. The band is named after guitarist Hoopes' automobile, a Plymouth Reliant K car, with the spelling intentionally altered to avoid trademark infringement over the Reliant name.

Guster is an American alternative rock band formed in Somerville, Massachusetts. Founding members Adam Gardner, Ryan Miller, and Brian Rosenworcel began practice sessions while attending Tufts University and formed the band in 1991. The members met during the freshman Wilderness Orientation program in August of that year, playing publicly together as a trio two months later at the Midnight Cafe coffee house in the common area of the Lewis Hall dormitory. While attending Tufts, the band lived at 139 College Avenue in Somerville.

The Rocket Summer is the solo project of Bryce Avary, a multi-instrumentalist, singer-songwriter, and record producer based in Dallas–Fort Worth, Texas.