Metal Gear Solid: Peace Walker - Heiwa to Kazuhira no Blues (Metal Gear Solid: Peace Walker - Blues of Peace and Kazuhira) is the official CD drama and soundtrack written by Hideo Kojima and performed by Tomokazu Sugita and Akio Ōtsuka, the Japanese voice actors of Kazuhira Miller and Naked Snake, respectively. It was the second audio drama CD to be released in the Metal Gear series, the first being the Metal Gear Solid audio drama. However, unlike the first audio drama, Heiwa to Kazuhira no Blues elaborated on events that were briefly alluded to in the main game.