If you told people you were a DJ way before Beck proclaimed that two turntables and a microphone was “where it’s at,” it could only mean a couple of things — you were broke and lonely. Broke because you spent all your money on a pair of Technics and a…

Some perks of performing live when you’re, say, Wayne Newton, include the ladies, lingerie, and a whole lotta panties tossed onstage. If you’re a knob-twiddling techno Moog master laying low behind the Technics, you’d probably settle for a DVD or maybe some new shareware for your Linux-based laptop-music-making self. Duck,…