found: Tegan and Sara. This business of art [SR] p2000:label (Tegan and Sara) insert (vocals, music, lyrics, and guitars)
found: All music guide WWW site, Apr. 17, 2002(Tegan & Sara: twin sisters, Tegan and Sara Quin; Canadian folk-rock duo)
found: NLC WWW catalog, Apr. 17, 2002(Tegan and Sara)
found: Wikipedia, April 2, 2013(Tegan and Sara; Canadian indie rock band formed in 1995 in Calgary, composed of identical twin sisters Tegan Rain Quin and Sara Keirsten Quin)
found: The Canadian encyclopedia WWW site, February 24, 2021(Tegan and Sara; indie rock duo formed in Calgary in 1995 by twin sisters Tegan and Sara Quin; the duo called themselves Plunk and then Sara and Tegan before adopting their current moniker in 1999)
found: Tegan and Sara WWW site, February 24, 2021:About (pop duo; born in Calgary, Alberta, and now residing in Vancouver, BC) - https://teganandsara.com/about/