Simplify the following text for a Grade 8 native English-speaking person.
Original: Tegan and Sara are a Canadian Indie rock\/Indie pop\/Alternative duo composed of identical twin sisters Tegan Rain Quin and Sara Keirsten Quin ( born September 19 , 1980 ) . Both Tegan and Sara play guitar and keyboard and write songs .
Simplified: Tegan and Sara is a Canadian indie rock duo , made up of twin sisters Tegan and Sara Quin .