A Bach and Webern-inspired piece in this genre successively removes notes from its central theme in each variation. Ligeti borrowed from his Musica Ricercata for the Aria, (15[1])Hoquetus, Choral movement of his only work in this genre. During a shared cab ride, Gidon Kremer commissioned Sofia Gubaidulina to write Offertorium, a piece in this genre. A teenage Vladimir Horowitz accompanied a teenage Nathan (*) Milstein (15[1])in the Soviet premiere of Szymanowski (“shim-uh-NOFF-ski”) and Prokofiev’s first pieces in this genre. A piece in (10[1])this genre (10[3])has a first movement Nocturne and includes its composer’s first (10[1])use of the D-S-C-H (10[1])motif. (-5[1])Shostakovich’s two pieces in this genre (-5[2])were premiered by David Oistrakh. The soloist enters (10[1])after four bars in Sibelius’s D minor piece (10[3])in this genre. (10[1]-5[1])For 10 points, name these pieces written for orchestra and the smallest (10[1])string (10[1])instrument. ■END■ (10[4])