They are a Swiss quartet of Stephan Thelen on guitar, Bernhard Wagner, guitar, plus bassist Christian Kuntner and drummer Manuel Pasquinelli.
They've had a couple of albums out and this is the first on Cuneiform.
What's nicely done here is the contrapuntal interplay between all four. There are mesmeric groove repetitions that evolve and allow for a bit of overtop soloing on guitar, but in the end it is the relentless, hip groove that keeps you wheeling along with them.
It's put together well and it hangs together well as you listen time and again.
If you like rock-trance music, this is a very good one indeed. Recommended.