A duet from this country originally for flute and guitar uses the movements “Bordel, 1900” and “Café, 1960” (10[1])to trace (10[1])the history of a genre from this country. “Objective” and “subjective” nationalism phases divide the output of a composer (10[1])from this country who wrote a “Malambo” for one ballet. Gidon Kremer commissioned a string orchestra version of a set of pieces from this country that alludes to similarly named pieces by Vivaldi. With Edward Said, a pianist born in this country (10[1])co-founded the West-Eastern Divan Orchestra; that pianist and conductor, once married to Jacqueline du Pré, is Daniel (-5[1])Barenboim. In pieces like a suite named for “Four Seasons in” this country’s capital, one composer from this country featured the bandoneón in a “new” dance. For 10 points, name this home country of Alberto Ginastera (-5[1])(“hee-nah-STEH-rah”) and Astor Piazzolla (“pee-ah-SOH-lah”), who pioneered nuevo tango. ■END■ (10[2]0[4])