Xanadu on Blu-ray

Olivia Newton-John stars in this fantastical musical odyssey as a Greek muse who visits Earth as a human and, with the help of a rollerskating Gene Kelly, inspires young artist Michael Beck to open a glitzy disco roller rink. Lively updating of 1947's "Down to Earth" features songs by Newton-John and The Electric Light Orchestra, including "Suddenly," "Magic" and "All Over the World." 96 min.