Input (grade 13): DvoÅ Ã k also wrote operas (of which the best known is Rusalka); serenades for string orchestra and wind ensemble; chamber music (including a number of string quartets and quintets); songs; choral music; and piano music.
Output (grade 12): DvoÅ Ã k wrote many operas (the best known of which is Rusalka); chamber music (including a number of string quartets, and quintets); songs; choral music; and piano music.