Send us your thoughts! Swiss pianist Sylvie Courvoisier and American guitarist Mary Halvorson show how virtuosity and joy of playing can be beautifully combined in a duo. Their snapping, over-snapping runs sparkle with the neighboring genres of jazz in particle form. Is this now flamenco, blues, country, noise? Unison voices in a rhythm that has more of Stravinsky or progressive rock than Louis Armstrong or John Coltrane. If there were anyone left who harbored prejudices against female jazz ...