The Limited Edition Copenhagen Song Of the Siren Pin features a siren holding a guitar, positioned at the center of the design. Curved wave shapes surround the figure, forming the background and edges of the illustration. The siren and guitar are rendered as a single continuous figure, with hair and body extending into the surrounding shapes. The Hard Rock Cafe Copenhagen mark is placed at the base of the design. The pin depicts a single siren image combined with musical elements tied to Copenhagen.