Filed under: Misc. GadgetsWhile we already knew Sony's mysterious Rolly got down to holiday tunes, this installation managed to capture our attention just a wee bit more. Rivaled only by the famed TSO project from 2005, this guitar-controlled setup transforms a traditional office into a holiday funhouse by enabling rockers to control the light patterns within the building. Open source software, dubbed Frets on Fire, was modified to generate controls for dozens of light strings around the cubicles, with the corner plant being used to "keep the beat" and the trash can fittingly being lit only when someone missed a note. Click on through to catch this madness in action -- and yeah, it's pretty evident the boss left weeks ago to enjoy the rest of '07 from afar.