Ultimate Jam Night, the long-running community-oriented show in residency at the famed Whisky A Go Go in West Hollywood, California, will hold a special tribute to the so-called “Big Four” of 1980s thrash metal — METALLICA, MEGADETH, SLAYER and ANTHRAX — on Tuesday, May 10. Among the musicians scheduled to appear at the event are former MEGADETH members David Ellefson and Jeff Young, along with former ANTHRAX singer Neil Turbin and FEAR FACTORY and RAVEN drummer Mike Heller…