 Berio 's composition employs elements of jazz and electronic music , and Sanguineti 's libretto borrows ideas from the works of Dante Alighieri , T. S. Eliot and Ezra Pound as well as using his own original work . Berio named " memory , death and usury " as the work 's main concerns , believing these themes to be present in Dante 's work . 
 Berio <a href='null_genetive' title='1'><mark>'s</mark></a>composition <a href='uninflect' title='2'><mark>employs</mark></a> elements of jazz and electronic music , and Sanguineti <a href='null_genetive' title='3'><mark>'s</mark></a>libretto <a href='uninflect' title='4'><mark>borrows</mark></a> ideas from the works of Dante Alighieri , T. S. Eliot and Ezra Pound as well as using his own original work . Berio named " memory , death and usury " as the work <a href='null_genetive' title='5'><mark>'s</mark></a>main concerns , believing these themes to be present in Dante <a href='null_genetive' title='6'><mark>'s</mark></a>work . 
Berio  composition employ elements of jazz and electronic music , and Sanguineti  libretto borrow ideas from the works of Dante Alighieri , T. S. Eliot and Ezra Pound as well as using his own original wrk . Berio named " memory , death and usury " as the work  main concerns , believing these themes to be present in Dante  work .