One of this composer's works, commissioned and premiered by Eleanor Steber, opens with the words "It has become that time of evening when people sit on their porches, rocking gently and talking gently." Another of his works written in arch form primarily uses the unorthodox 
One of this composer's works, commissioned and premiered by Eleanor Steber, opens with the words "It has become that time of evening when people sit on their porches, rocking gently and talking gently." Another of his works written in arch form primarily uses the unorthodox 4/2 time signature; that work opens with a soft B-flat in the violins.  He used a James Agee essay as the basis for his Knoxville: Summer of 1915. This composer is best known for a work, originally the second movement of his string quartet, named for its tempo marking and broadcast on the radio after FDR's death. For 10 points, name this composer of Adagio for Strings.
One of this composer's works, commissioned and premiered by Eleanor Steber, opens with the words "It has become that time of evening when people sit on their porches, rocking gently and talking gently."
Samuel Barber 