読売日本交響楽団
Kobayashi served the principal guest conductor of the Kansai and Kyushu orchestras. He was general music director of Nagoya Philharmonic Orchestra from 1998 to 2001, music director from 2001 to 2003, is now appointed to the conductor laureate since 2003. Kobayashi was appointed to the special guest conductor of Yomiuri Nippon Symphony Orchestra in August 2011, appointed to the music director of Tokyo Bunka Kaikan in June 2012.