The main characters of the musical Jekyll and Hyde. Park Eun-tae, Kai, and Jeon Dong-seok. (OD Musical Company)   Should journalists in charge of musicals buy tickets? That's what a lot of people are curious about. Musical fans are especially curious. Musical tickets are quite expensive in Korea, too. Maybe other countries are no different. In Korea, musical tickets for small theaters are priced at 30,000 won ($24)It's about 50,000 won ($40). The Grand Theater is much more expensive. It ranges from 70,000 won ($56) to 150,000 won ($120). It's not easy to pay $120 for three hours of fun a night. In Korea, there are many enthusiasts who watch a piece several times. These people are called 'revolving door audiences'. For these audiences, the cost of purchasing tickets to watch the performance is a big burden. So what about reporters? Journalists in charge of musicals will watch musicals one to seven times a week. No matter how lazy a journalist is, he should watch one