http://www.marute.co.jp/~hiroaki/E_TV_023/10/Chopin_Piano_concerto_01_01.mp3 http://www.marute.co.jp/~hiroaki/E_TV_023/10/Chopin_Piano_concerto_01_02.mp3 http://www.marute.co.jp/~hiroaki/E_TV_023/10/Chopin_Piano_concerto_01_03.mp3