Claim: The Yeah Yeah Yeahs’s vocalist and pianist, Karen O, born as Karen Lee Orzolek, is a South Korean-born American singer-songwriter born in Busan, South Korea.
Evidence: Karen Lee Orzolek (born November 22, 1978), known professionally as Karen O, is a South Korean-born American singer, songwriter, musician, and record producer. She was born in Busan, South Korea, the daughter of a Korean mother and a Polish father. The group is composed of vocalist and pianist Karen O (born Karen Lee Orzolek), guitarist and keyboardist Nick Zinner, and drummer Brian Chase.