Samulnori is a type of Korean percussion music, in which samul translates as "four object" and nori translates as "play". Samulnori is performed when the pungmul is play, which comprises of four Korean musical instruments. These four musical instruments include the jing (big gong), kkwaenggari (small gong), puk (barrel drum) and the Janggu or changgo (hourglass drum).
I think its a great start but for the hair rather than doing each strand you could do 2 big parts on both sides of the head and just shade them in. I hope you get it :))