Mammatus has been played on NTS in shows including The Witching Hour, featured first on 5 March 2015. Songs played include The Outer Rim.

Taking their name from the heaviest cloud found on our home planet, Mammatus harness instruments and amplifiers with the brave intent of transforming the natural beauty and massive fury that lies in the earth into acoustic energy. Using crude, self taught methods of instrumentation, they bang away for long periods of time employing ridiculously heavy riffs paired with harrowing widdly wah your face off guitar wankery, brain bending electric noodling, and ogre-esque drum bashing. Faintly through the haze a tale is…