The "Metal Gear Solid" soundtrack collection on CD includes a series of albums that accompany the different chapters of the famous video game saga created by Hideo Kojima. Here is an overview of the main albums in the collection: 1. **Metal Gear Solid Original Game Soundtrack**: Released in 1998, features music composed by TAPPY, Kazuki Muraoka and others, with iconic songs such as "The Best is Yet to Come". 2. **Metal Gear Solid 2: Sons of Liberty Original Soundtrack**: Composed primarily by Harry Gregson-Williams and Norihiko Hibino, this 2001 album offers memorable tracks that mix orchestral and electronic sounds. 3. **Metal Gear Solid 3: Snake Eater Original Soundtrack**: Released in 2004, it sees the return of Harry Gregson-Williams with evocative new songs and the famous song "Snake Eater" sung by Cynthia Harrell. 4. **Metal Gear Solid 4: Guns of the Patriots Original Soundtrack**: This 2008 soundtrack, again composed by Harry Gregson-Williams, integrates works by Nobuko Toda, Shuichi Kobori and others, maintaining the dramatic and cinematic atmosphere of the series. Furthermore, the collection also includes various additional albums, such as "Metal Gear Solid Vocal Tracks", which collects the vocal songs present in the games, and "Metal Gear 25th Anniversary: ​​Metal Gear Music Collection", which celebrates 25 years of the series with a selection of songs from different eras of the game. These CDs have become cult objects for fans of the saga, appreciated not only for their musical quality, but also for their nostalgic value and importance in the panorama of video game soundtracks.