His libretto conveys ancient and set patterns , yet his music uses staccato rhythms and a vocal overlay of upheaval .
Stravinsky 's idea for the score evolved during war , revolution , and exile .
Stravinsky 's libretto conveys ancient and set patterns , yet his music uses staccato rhythms and a vocal overlay of upheaval .
Stravinsky 's idea for the score evolved during war , revolution , and exile .