29 July 2026

Acoustic Erasure: Class and the Material Bias of the Sound Archive

This article explores how material inequality shaped twentieth-century audio archives. By contrasting elite virgin-shellac pressings with the abrasive, recycled compounds and fragile wax cylinders used for working-class field recordings, this article outlines how needle wear and physical decay erased marginal music, and how non-contact 3D optical scanning (IRENE) now rescues these crumbling grooves.

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17 July 2026

Tropicalia: The Distorted Groove of Brazilian Defiance

A technical and political analysis of Brazil's Tropicália movement on vinyl. Discover how underground artists etched political defiance onto fragile, compressed domestic pressings. Tropicália was an act of sonic sabotage against a military dictatorship, executed through the high-friction collision of imported electric distortion and traditional Brazilian rhythms on fragile domestic wax. This is an audit of the mechanical and material resistance of the $1968$ sound.

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