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 natural (-5[1])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, ascending harp chords in 3/8 open the aria “Song to the Moon.” (10[1])In that opera from this country, a prince dies after kissing the title water nymph. Folk dances like the furiant and polka feature in (10[1])an opera from this country, whose other operas include Rusalka (-5[1])and Jenůfa (“yeh-NOO-fah”). For 10 points, name this country (10[1])home to operas by composers Leoš Janáček (“YA-na-check”) and Antonín (-5[1])Dvořák ■END■ (10[4])