Tegan Rain Quin y Sara Keirsten Quin nacieron el 19 de septiembre de 1980 en Calgary, Alberta, Canadá. Desde muy temprana edad, las gemelas mostraron un interés ferviente por la música. Al crecer en una casa llena de discos y guitarras, no era raro verlas tocando o experimentando con melodías y letras desde que tenían ocho años.
Durante su adolescencia, Tegan y Sara comenzaron a escribir y grabar sus propias canciones. En 1998, con solo 18 años, ganaron una competencia de radio local cuyo premio era tiempo de estudio profesional para grabar un álbum. Este evento marcó el punto de partida de su carrera profesional y poco después, lanzaron su primer álbum "Under Feet Like Ours" de forma independiente en 1999.
En el año 2000, firmaron con el sello Vapor Records, fundado por Neil Young. Este acuerdo cimentó su camino a la fama. Su segundo álbum, "This Business of Art" (2000), fue bien recibido por la crítica y les permitió iniciar giras más extensas en Canadá y Estados Unidos, abriendo para bandas como Neil Young y The Pretenders.
Con el lanzamiento de "If It Was You" en 2002 y "So Jealous" en 2004, la dupla alcanzó una notoriedad aún mayor. "So Jealous" en particular hizo que captaran la atención del público internacional, gracias a canciones como "Walking with a Ghost", que fue versionada por la popular banda The White Stripes.
West Coast has got me screaming
They've got me by the collar
If you want it
You come get it
You tell the East Coast not to bother
If you need me
Well baby come and see me
If you need me
Well baby come and see me
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
Oh give it all to me
A pop princess my own diva
Go on go on go on and see her
Tell her she's out of luck
She's out of touch
And we all know that she's been around the block
For days and days
Oh for days and days
If you need me
Well baby come and see me
If you need me
Well baby come and see me
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
Oh give it all to me
I'm infamous for being infamous
I don't think you're so famous miss
I miss everything
When you're away from me
Infamous for being infamous
Well I don't think you're so famous miss
I miss everything
When you're away from me
So if you need me
Well baby come and see me
If you need me
Well baby come and see me
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
If you've got it to give
You've got to give it all
Oh give it all to me