Osvaldo Golijov has long felt a kinship with Berio ' s music, and he ' s created a song cycle, Ayre , to demonstrate Dawn Upshaw ' s vocal range, just as Berio did with Cathy Berberian ' s in his Folk Songs . Golijov says he “saw a rainbow" when he first realized the range of colour in Upshaw ' s voice. Upshaw says: “ Ayre takes me vocally to places where I have never been before: in aesthetic terms, it ' s opened new doors." The cycle is scored for an ensemble similar to Berio ' s, but also including the accordion and ronroco (an Argentinian variant of the charango, a small South American fretted lute) and also the laptop, which Golijov regards as a 21st-century folk instrument. The klezmer-tinged clarinet solos were inspired by David Krakauer, the world ' s most celebrated klezmer innovator; two of the songs were written by Gustavo Santaolalla; Wa Habibi comes from the Arab superstar Fairouz; Miles Davis ' s Sketches of Spain i...