What makes Shapes by Polvo notable?

'Shapes' gained significant attention for its experimental approach, contributing to the evolution of the post-rock genre. The album received positive reviews from critics and has been influential for bands within the underground scene, showcasing Polvo's unique sound and paving the way for future artists. Released in 1997, 'Shapes' served as Polvo's fourth studio album, following their critically acclaimed 'In Prism.' At this point in their career, the band was further exploring complex musical arrangements and pushing the boundaries of indie rock, solidifying their status among the genre's innovators.