Three Letter Acronym. LBJ took the IRT down to 4th Street, USA. Tech theater folk love their abbrevs. Explaining what E.V.O.O. is (Extra Virgin Olive Oil) certainly saves time, right? Now VSOP, well, that's a whole 'nother thing! Here's a few. Feel free to add more, so our webmaster can add them to the search engine. 02R AC acn AEA af AFL akg ALD am amd AME amp amx ASM ATD AWG bar BBL BBR BR CC CF CMY cue cyc (added 8/27/08 - remove date when added to search engine please) DBO dBU dBV DC DS DSM DI diy dmx drm dvd dwg dxf ea ers ev fcc fly fm FOH fx hid htz hz IEM ink iso LD led mcm ME mpx OP PAC par pdf PFL php PIN pit PL PRG Q qvc rca RDM rf RGB RLP RMS RMX rta SC sfx skp SL SM SO SOW SOWA SPL SR thx trs ts UC US vga vhs vmf vr XL8 xlr I don't know what some of the above are, so feel free to add the long name to the Glossary, if so inclined. I removed: Gel, gig, fog, BTN, BTR, BTL, FEL, Eos and Ion. None of these were TLA's. True, of course, but they are still short words that need to be added into CB's search engine.