Ribe & Roll Dann serve up potent techno on Mutual Rytm with 'Virtus Occulta'.Built around concepts of unacknowledged work and enduring merit, the release marks their first EP on SHDW's widely respected label.Based in Toledo and Madrid, Ribe & Roll Dann are exciting residents at Laster Madrid and Lanna Club, two of Spain's leading venues. Emerging as driving forces in their national techno scene, they have also made an impact on the global landscape, making wider moves through collaborative releases on Klockworks, and individual outings on a number of other influential labels. Having previously featured in the label's Federation of Rytm IV compilation, the pair make their full EP label on SHDW's Mutual Rytm imprint to open March with a deep dive into their expansive sound.Opener 'Sub Terra' is a pure club tool that is direct, physical and rooted in the underground with a seriously heavy low end. 'Extra Lumen' is more restrained but still built on a steady, forceful rhythm w