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.
WHEN YOU WERE MINE
When you were mine
I gave you all of my money
Time after time
You done me wrong
Just like a dream
You let all my friends come over and eat
You were so strange
You didn't have the decency to change the sheets
Oh girl, when you were mine
I used to let you wear all my clothes
You were so fine
Maybe that's the reason
That it hurt me so
I know (I know)
That you're going with another guy
I don't care (don't care)
Cuz I love you, baby, that's no lie
I love you more than I did
When you were mine
When you were mine
You were kinda sorta my best friend
So I was blind
I let you fool around
I never cared
I never was the kind to make a fuss
When he was there
Sleeping in between the two of us
I know (I know)
That you're going with another guy
I don't care (don't care)
Cuz I love you, baby, that's no lie
I love you more than I did
When you were mine
When you were mine
You were all I ever wanted to do
Now I spend my time
Following him whenever he's with you
I know (I know)
That you're going with another guy
I don't care (don't care)
Cuz I love you, baby, that's no lie
I love you more that I did
When you were mine
(Juliane)