Kugak & jazz 국악과 재즈 album Minsogak kwa chaejû 민속악과 재즈
The 2nd album I have chosen I haven't even heard! I've chosen it because like Invite the Spirit 초혼 (招魂), it is pretty old:
Kil Ok Yun, Yu Pok Sông, I Saeng Kang, I Sông Chin 길옥윤, 유복성, 이성진, 이생강. (1986). Minsogak kwa chaejû 민속악과 재즈. Anyang: Oasis records. ORC-1043.
Kil Ok Yun: alto sax; Yu Pok Sŏng: bongos
I Saeng Kang: taegŭm 대금; I Sŏng Chin: chang'gu 장구.
There is a description of this record at Kukak CD and it is also mentioned in the online book on all types of traditional Korean music, including crossover, Gugak e-book. This book has over 100 pages and includes audio clips on each page. So if you can't read even any Korean, you can still enjoy flipping through and listening to the clips. Enjoy! Unfortunately, I have found nothing on the Internet, so far, in English on these musicians.