Mockingbird Franklin by Eels is a song that delves into themes of loss, grief, and a longing for connection. It narrates a personal story of the protagonist dealing with the emotional aftermath of a loved one's passing. The song brings forth feelings of nostalgia and bittersweet reminiscence, capturing the essence of holding onto memories while grappling with the void left behind. Key themes include coping with loss, cherishing memories, and finding solace in nature and the simplicity of a mockingbird's song. Moments of particular poignancy occur when the protagonist reflects on the enduring presence of their lost loved one through the sounds of the mockingbird.