Who is featured in the Coolio song that shares a background sample music with the song "Curtain Falls"?
Curtain Falls:  The background music is almost identical to that of Coolio's 1995 hit, "Gangsta's Paradise", as they both share usage of a sample of Stevie Wonder's "Pastime Paradise". Gangsta's Paradise: "Gangsta's Paradise" is a song by American rapper Coolio, featuring singer L.V. The song was released on Coolio's album of the same name, as well as the soundtrack for the 1995 film "Dangerous Minds".
L.V.