Keith Hornsby is the Founder, Owner, Program Director and DJ of Imaginary Dimensions. Keith is pleased to be bringing Imaginary Dimensions to progressive rock fans. ... See more Keith is a music addict and collects music of all types and genres. Imaginary Dimensions Powered By Live365 programming is available 24 hours a day, 7 days a week. Programming playlists are rotated twice monthly so there is always something new and exciting to listen to.