Track lighting methods and apparatus. In various examples, power and data
are provided to a plurality of lighting fixtures via at least one pair of
essentially rigid electrically conductive tracks that are mechanically
coupled to an essentially rigid linear or curvilinear-shaped housing. The
plurality of lighting fixtures includes at least one LED-based lighting
fixture mechanically coupled to the housing, electrically coupled to the
at least one pair of electrically conductive tracks, and configured to be
responsive to the data.