Born from the legendary 1987 Sunset Serenade Championship when tournament favorite Marcus 'Diamond Voice' Rodriguez delivered a perfect ace while simultaneously crooning a flawless rendition of 'Take My Breath Away' to his partner during the golden hour finale. The moment crystallized into tournament legend when his disc flight path seemed to harmonize with his vocal performance, creating an unforgettable spectacle of athletic and romantic perfection that set the standard for all future elite competitors.

Manifests as a translucent crystalline figure that refracts sunset light into prismatic rainbows while emanating perfect pitch harmonics that resonate across the course. Its crystalline structure amplifies and purifies any romantic serenades performed in its presence, transforming ordinary vocals into concert-quality performances that can be heard clearly across multiple holes. The entity's faceted surface captures and reflects the golden hour lighting, creating a natural spotlight effect that enhances the dramatic impact of elite players' romantic gestures.

Appears during critical sunset tournament moments when higher-rated players must simultaneously execute technically demanding throws while delivering captivating serenades to their partners. Crystal Crooner challenges elite competitors to achieve perfect harmony between athletic precision and romantic performance, refusing to acknowledge championship-level play unless both elements reach crystalline perfection.