Released as a standalone single, "Mystery" showcases Nelly Furtado's ability to blend pop sensibilities with electronic textures. The track features a driving beat and Furtado's distinctive vocal delivery, characteristic of her work during the late 2000s and early 2010s. While not tied to a specific studio album, the song reflects her ongoing exploration of genre fusion, incorporating elements of dance-pop and R&B that defined her discography. It stands as a testament to her versatility as a recording artist, capturing a moment in her career where she balanced mainstream appeal with her evolving musical identity.