German Siggi Schwarz is another of those tremendous guitarists who, upon first hearing his name, most people answer with a simple, who? However, Schwarz is an indispensable guitarist and has worked over the years, either in the studio or on stage, with some greats in Michael Schenker (ex-Scorpions/UFO), Steve Lukather (Toto), Bernie Marsden (Whitesnake), Geoff Whitehorn..