"Heavy Petal -- The Tenebrous Odyssey of Jack and Virginia" is the 2005 debut release from Mask -- the British Ambient/Electronica duo that teams iconic singer Sonja Kristina (Curver Air) with Ambient producer and electric-cellist Marvin Ayres. Packaged in a 6-panel Digipak gatefold designed by David Bowie designer Davide De Angelis.