"NOW That's What I Call 40 Years" is a compilation CD featuring various artists and a mix of rock music. Released in 2023 under the Universal UK and Unuk record labels, this collection celebrates 40 years of the iconic "NOW That's What I Call Music" series. With a diverse selection of tracks spanning different eras, this CD is perfect for fans of rock music looking to reminisce about classic hits and enjoy new releases from top artists.