The 2023 La Scala production of an opera from this country set its first and third acts in a submerged gothic cathedral and introduces its title character in a wheelchair wearing a pink tentacled dress. A composer from this country used his technique of “speech-melodies” to evoke (10[1])natural vocal patterns in a character’s plea for forgiveness after drowning her stepdaughter’s baby in an icy stream. In one opera from this country, (10[1])ascending harp chords in 3/8 open the aria “Song to the Moon.” (10[2])In (10[1])that opera (10[1])from this country, a prince dies after kissing the title water nymph. Folk (-5[1])dances like the furiant (10[1])and polka feature (-5[1])in an opera from this country, whose other operas include Rusalka and Jenůfa (“yeh-NOO-fah”). For 10 points, name this country home to operas by composers Leoš Janáček (“YA-na-check”) and Antonín (10[1])Dvořák (10[1])■END■ (10[1])