Released on The Initial Friend EP in 2001, "Frug" stands as a defining track in the discography of Rilo Kiley, capturing the band's signature blend of indie rock and melodic sensibility. The song exemplifies their ability to weave personal narrative with atmospheric production, characteristic of early 2000s alternative music. Its enduring appeal lies in its melodic structure and the band's vocal harmonies, which became hallmarks of their sound. As a key piece from their early catalog, it reflects the emotional depth and acoustic-driven approach that defined their work during this pivotal era, influencing the broader indie landscape of the time.