The Numero Group's "Medusa" is a collection that dives deep into the late 1970s Chicago music scene, focusing on the band Medusa, a heavy rock group known for their powerful sound and raw energy. Medusa was a band that never achieved mainstream success, but they developed a cult following due to their intense performances and unique blend of hard rock and proto-metal.

The "Medusa" collection by Numero Group brings together rare and unreleased tracks from the band, showcasing their dark, brooding sound that combined heavy riffs, aggressive vocals, and a gritty atmosphere. The release is often celebrated for its archival quality, offering a glimpse into an underground scene that was bubbling with creativity and rebellion during a time when rock music was rapidly evolving.

This collection is not just a compilation of songs; it's a time capsule that preserves the spirit of a band that was ahead of its time, capturing the essence of a raw and unpolished era in rock history. The packaging often includes detailed liner notes, rare photographs, and interviews, making it a must-have for collectors and enthusiasts of vintage rock and metal.