What is the ethnic origin of the vocalist on "Sofi Needs a Ladder"?
Sofi Needs a Ladder: "Sofi Needs a Ladder" is the third single taken from deadmau5's album, "4×4=12". Sofi Needs a Ladder:  The song features vocals from Sofia Toufa, aka Sofi. Sofia Toufa: Sofia Toufa (born August 13, 1983), known by her stage name SOFI (acronym for Some Other Female Interest), is a Greek-German singer and rapper.
Greek-German