"Viva la Vida or Death and All His Friends" is the fourth studio album by the British rock band Coldplay, released in 2008. The album features a blend of alternative rock and baroque pop, showcasing a more experimental sound compared to their earlier work. It includes hit singles like "Viva la Vida" and "Violet Hill," which received critical acclaim and commercial success. The album's themes revolve around life, death, and the passage of time, often drawing on historical and religious imagery. It was produced by Brian Eno, known for his innovative approach to music production, and marked a significant evolution in Coldplay's artistic direction.