Luther Vandross's 'Don't You Know That?' stands as a quintessential example of his smooth, soulful vocal style, characterized by lush harmonies and a gentle, romantic delivery. Released during the height of his career, the track exemplifies the R&B and soul genres that defined his discography. The song features the signature warmth and emotional depth that made Vandross a global icon, blending intricate melodic lines with a polished production typical of late 1980s and early 1990s recordings. It captures the essence of his ability to convey deep affection and tenderness, serving as a staple in collections of his greatest hits and a testament to his enduring influence on modern R&B music.