American sopranos

What American sopranos (two of them) broke the color barrier at the Metropolitan Opera House?
What ballerina Marie Taglioni was famous for?
With which singer is the song “Strange Fruit” most associated?
What student of Rosina Lhevinne became the winner of the 1st Tchaikovsky International Piano Competition in 1958?
make evaluation of collected facts, write compact (2 paragraphs, or more) yet meaningful answer on each question