Want to know more about Hikashu? Just for your reference, here's a selective collection of hyperlink to the articles about or related to the band, listed unchronologically. Hope this helps.
August 21, 2012
Hikashu: Uragoe (2012)
April 5, 2012
The Japan Times
April 4, 2012
Hikashu: the interview - From techno-pop to throat singing: Koichi Makigami tells all
Time Out Tokyo
Very long and quite informative. Recommended.
August 25, 2011
Jazz Art Sengawa - Cellist Hiromichi Sakamoto and Japan’s avant-garde build a home of their own
July 12, 2010
Jazz Art Sengawa 2010
August 28th, 2009
Enter the strange vocal world of Koichi Makigami at your own risk
November 2, 2007
Seigen Ono - The self-taught musician/producer gathered a stellar cast of New York musicians for Maria and Maria
A profile of Ono Seigen. Mr. Ono has mastered many recent releases of Hikashu.