Roots of Hellogoodbye

Self is an American pop rock band formed in 1993 in Murfreesboro, Tennessee. The band is led by vocalist and multi-instrumentalist Matt Mahaffey, additionally consisting of keyboardist Chris James, bassist Mac Burrus, and drummer Jason Rawlings. Former members include guitarist Mike Mahaffey and touring bassist Tim Nobles. The group began as a duo on Spongebath Records with the Mahaffey brothers, immediately picked up by Zoo Entertainment to release their debut album, Subliminal Plastic Motives (1995). It sold over 40,000 copies in its first two years with support from the singles "Cannon" and "So Low". After expanding the lineup for live performances, the band embraced an experimental approach with The Half-Baked Serenade (1997), followed by a compilation of demos, Feels Like Breakin' Shit (1998).

Ozma is an American rock band from Pasadena, California. The band's sound is a mix of nostalgic new wave–influenced power pop and contrapuntal Casiotone-driven melodies sustained by heavy guitar riffs. Since their formation in 1995, Ozma has released five studio albums and toured the U.S., Japan and Canada more than thirty times, including extensive touring with stylistically similar groups including Weezer, Nada Surf, Rilo Kiley, Superdrag, The Rentals, The Get Up Kids, Piebald, Saves The Day, Asian Kung-Fu Generation, and Rooney.

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