Of the two German DJs who together are known as M.A.N.D.Y., only one, Philipp Jung, worked the mix board at Julep Bar last Thursday night, May 31. That was all it took, however, to enrapture an almost full dance floor from the very first minute of his two-hour set. Using two CD players and no PC program -- a technique that seems almost quaint in this era of program mixing via Traktor, Skratch, and Ableton -- Jung dropped a set as classic as his instrumentation.