"I Was A Fool" comes from Tegan and Sara's imminent Heartthrob, and is a lovely bit of chart-friendly sweetness. The song's piano underpinnings gently keep things going through the standard pop-narrative territory—namely the singer lamenting her behavior in a past love. It's simple and sugary, but substantive. Check it out below.
Heartthrob is out January 29 on Warner Bros.