by Tool is widely regarded as a pinnacle of progressive metal, known for its dense philosophical themes, rhythmic complexity, and hidden mathematical structures. Choosing to listen in FLAC (Free Lossless Audio Codec) isn't just about audiophile elitism; it is often considered the only way to hear the "breathing" room and microscopic detail required for an album this intricate. 🌀 The "Lateralus" Experience: Beyond the Music