Premise: Vladimir Oiunovich Oidupaa (Russian: Владимир Ойунович Ойдупаа , Tuvan: Ойдупаа Владимир Ойун оглу, "Oidupaa Vladimir Oiun oglu" ] , 6 September 1949 – 25 September 2013) was a Tuvan musician, who performed Kargyraa and played bayan. He is considered one of the leading figures in the contemporary Tuvan music.
Hypothesis: The only instrument Oidupaa played was baya.