Published: March 31, 2005Received: September 30, 2004Available on J-STAGE: December 08, 2009Accepted: December 20, 2004
Advance online publication: -
Revised: -
The music digitally market in Japan grew at a steady pace until 1998 and took an abrupt downward turn. The artist sector in J-POP market is highly dynamic movement in the top sales year's chart between 1999-2003. And there are some artists with charisma in it. In contrast, major companies make oligopoly market and they cannot avoid to go down together.
