JR Central on Friday held a disco event in a Tokaido Shinkansen bullet train car complete with a dance floor, with DJ KOO of Japanese pop group TRF performing for dancing passengers.The event, held in the so-called Shinkansen disco car, was staged just ahead of 100 years since the start of the Showa era, which spanned from 1926 to 1989, during a run between Tokyo and Shin-Osaka stations.Some 32 passengers, along with a DJ from Maharaja Roppongi -- a symbol of the disco boom during Japan's bubble economy in the late 1980s -- enjoyed nostalgic disco hits.The event recreates the 1988 "event ca…READ FULL ARTICLE