“A Ressha de Iko (Take the A train), operated by Kyushu Railway Co., runs in Kumamoto Prefecture. Passengers are served highballs using locally grown dekopon citrus fruit to the sounds of jazz music.”

http://www.calgaryherald.com/travel/Riding+dining+style+Japan+gourmet+sighteeing+trains/10185024/story.html?__federated=1