A composer from this country included nested 22-and 14-tuplets in the left hand in his first piano concerto. Another composer from this country dedicated his Cello Concerto to Yo-Yo Ma, who premiered it in 2017. Gustavo Dudamel succeeded that composer from this (15[1])country as (15[1])conductor of the Los Angeles (15[2])Philharmonic. A composer from this country instructed performers to “Think of autumn and of Tchaikovsky” and recorded birdsong for his orchestral piece (10[1])(*) Cantus Arcticus. A composer from this country included a swan call-inspired horn theme in his fifth symphony, wrote a one-movement seventh symphony, and premiered a piece named for this country as A Scandinavian Choral March to evade (10[1])Russian censorship. Einojuhani Rautavaara [AY-no-yu-ha-ni ROW-ta-va-ra] was from, for 10 points, what country home to Jean Sibelius? ■END■