The Metal Gear Solid scores rely heavily on extreme shifts in dynamic range. A track might transition instantly from a whisper-quiet, ambient sneaking theme utilizing a single lone flute, to a bombastic explosion of brass, timpani, and electronic synthesizers during an "Alert" phase.
Many historical MGS albums were mastered during the peak of the "Loudness Wars." True FLAC files preserve the intentional, hard-hitting transients of these masters.
The original PlayStation redbook audio and standalone OST releases feature a raw, late-90s synth texture mixed with live vocal elements that benefit heavily from uncompressed playback. Metal Gear Solid 2: Sons of Liberty (2001)