Feist is a Canadian musician. She founded the Calgary punk band Placebo at the age of 15 and later joined the indie-rock collective Broken Social Scene. Feist released her breakthrough album Let It Die in 2004, which features the hit songs Mushaboom and One Evening, followed by The Reminder in 2007, which features the popular song 1234, which was featured in an iPod ad. She has also released the albums Multitudes and Pleasure.