This CD from The Black Keys, titled "Turn Blue", is a must-have for fans of rock music. The album was produced by Danger Mouse and The Black Keys themselves, and released by Nonesuch in 2014. The CD format is perfect for those who want to enjoy the music on-the-go. The cover of the CD is a beautiful shade of blue, which matches the overall mood of the album. The genre of this album is rock, and it features some of the band's most popular songs. As a fan of The Black Keys, you won't want to miss out on this amazing album.