November Steps Yori Dai 10 Dan
Kinshi Tsuruta、 Katsuya Yokoyama
Classics of Modern Japanese Music 20: Discovery of Traditional Instruments
Katsuya Yokoyama、 Tadao Sawai、 Reibo Aoki、 Takahiro Sonoda
石井真木
Sogu Ichiban "Piano Song '70" "Shakuhachi No Tame No Ongaku"
Takahiro Sonoda、 Katsuya Yokoyama
M. Moroi
Y. Irino
日本古曲
Shika No Toone
Katsuya Yokoyama、 岩本由和
Kodensugomori (Tsuru No Suigomori)
Kodensugomori (Tsuru No Suigomori)
Katsuya Yokoyama
Sokkan
Sokkan
Katsuya Yokoyama