The term heavy can be applied to many different music genres and in many different contexts. Swedish musician Per Wiberg, has made a living out of playing most things heavy the last 30+ years. A multi-instrumentalist who has played keys, bass and guitars with a number of bands and artists like Opeth, Spiritual Beggars, Candlemass and well as Clutch/Bakerton Group, Switchblade and Kamchatka to name but a mere few.
