"Now That's What I Call Music! 4" is a double CD album featuring various artists from the 1980s era. Released by Sony Music in 2019, this compilation album is a reissue in mint condition, factory sealed in a standard jewel case. The album showcases a mix of pop, urban, rock, and R&B & Soul genres, with a green colour theme. It includes guitar, piano, voice, and drums as the featured instruments, making it an ideal choice for music lovers who appreciate the 1980s pop rock and dance pop styles.