Premise: Lilacs for voice and orchestra (or Lilacs) is a musical composition by George T. Walker, Jr. (born 1922) that was awarded the 1996 Pulitzer Prize for Music. The work, scored for soprano soloist and orchestra, was the unanimous choice of the Pulitzer prize jury. Walker was the first African-American composer to be awarded the prize.
Hypothesis: Until 1996 the Pulitzer prize for music had never been awarded to a black person.