Metric is a Canadian rock band founded in 1998 in Toronto, Ontario. The band consists of Emily Haines (lead vocals, synthesizers, guitar, tambourine, harmonica, piano), James Shaw (guitar, synthesizers, theremin, backing vocals), Joshua Winstead (bass, synthesizers, backing vocals) and Joules Scott-Key (drums, percussion). The band started in 1998 as a duo formed by Haines and Shaw with the name "Mainstream". After releasing an EP titled Mainstream EP, they changed the band's name to Metric.
The band's first studio album, Old World Underground, Where Are You Now?, was released in 2003. Live It Out, released in 2005, was nominated for the 2006 Polaris Music Prize for the "Canadian Album of the Year" and for the 2006 Juno Awards for "Best Alternative Album". Their third studio album, Grow Up and Blow Away, was recorded in 2001; it was initially planned as their debut album, but was delayed for many years and finally released, with some changes, in 2007.