Straightline formed in late 2002 by Chris Diprose, formerly of hardcore band Gift, and his wife Toia Diprose. They played in the regional heats of the World Battle of the Bands 2004. They released one self-titled album on their own Kick Start Records label in 2004.
- Chris Diprose - vocals, guitar
- Toia Diprose - keys, vocals
- Andrew Richdale - percussion, drums
- Hayden Sanders - bass, vocals
- Mike Shroeder - drums, percussion
- Tony Sisam - guitar