Question: Who sings you make me so very happy?
Disambiguated questions and answers: question: Who sings lead vocals for you make me so very happy, Brenda Holloway version?
Who sings background vocals for you make me so very happy, Brenda Holloway version?
Who sings lead vocals for you make me so very happy, Blood, Sweat & Tears version?
Who sings background vocals for you make me so very happy, Blood, Sweat & Tears version?
answer: Brenda Holloway
assorted vocalists
David Clayton-Thomas
other assorted vocalists
Bobby Colomby
Dick Halligan
Steve Katz
Natural Questions answer: Brenda Holloway (from the Wikipedia article "You've Made Me So Very Happy")