Bye Bye Love by Simon & Garfunkel is a cover of the Everly Brothers classic, and it deals with themes of heartbreak and moving on from a painful romantic relationship. The song captures the bittersweet emotion of saying goodbye to a love that has ended, reflecting both sorrow and the hope of finding happiness again. Particularly poignant moments in the song include the repetition of 'Bye bye love, bye bye happiness,' which underscores the finality of the farewell and the emotional weight of letting go. The harmonies and acoustic arrangement add a haunting quality that enhances the feeling of loss and resignation.