Released in 1966, "Bye Bye Love" stands as a quintessential example of the folk-rock sound that defined the mid-1960s. Written by Paul Simon, the track features the duo's signature interplay between acoustic guitar and harmonica, delivered with a gentle, conversational vocal style characteristic of their early work. The song captures the melancholic mood of parting ways, reflecting themes of friendship and loss that would become central to their discography. It served as a bridge between their earlier, more experimental recordings and the polished, narrative-driven ballads that followed, such as "Bridge Over Troubled Water." The recording showcases the organic texture of the era, prioritizing lyrical intimacy over production polish, and remains a staple of the folk-rock canon.