In 'Say You Miss Me' by Wilco, the band delves into the emotions surrounding a fractured relationship. The song captures the longing and heartache of a person wishing for reconciliation or at least acknowledgment from their former partner. Key themes include regret, longing, and the subtle complexity of unspoken feelings. Particularly poignant moments include lines that highlight the yearning for emotional closure and the desire for a simple affirmation of being missed, which signifies the deep connection that once existed.