The third movement of a piece of this type is marked "Andante cantabile ma pero con moto" and is a set of variations on a theme in D major in 3/4 time. Brahms's third piece of this type is a C minor work whose third movement alternates between 3/4 and 2/4, and 9/8 and 6/8, and his first piece of this kind unusually starts in B major and ends in B minor. The 2/4 D minor second movement "Largo" of a piece in this genre may have been intended as the overture to an opera adaptation of Macbeth and gives the piece its nickname due to its (*) spookiness. Dvorak's E minor fourth of these pieces is subtitled for a plaintive Slavic ballad known as a "dumka." Beethoven's pieces of this type include the "Ghost" as well as a B-f
The third movement of a piece of this type is marked "Andante cantabile ma pero con moto" and is a set of variations on a theme in D major in 3/4 time. Brahms's third piece of this type is a C minor work whose third movement alternates between 3/4 and 2/4, and 9/8 and 6/8, and his first piece of this kind unusually starts in B major and ends in B minor. The 2/4 D minor second movement "Largo" of a piece in this genre may have been intended as the overture to an opera adaptation of Macbeth and gives the piece its nickname due to its (*) spookiness. Dvorak's E minor fourth of these pieces is subtitled for a plaintive Slavic ballad known as a "dumka." Beethoven's pieces of this type include the "Ghost" as well as a B-flat major piece nicknamed for the dedicatee Rudolf of Austria, an archduke. For 10 points, name these pieces written for violin, cello, and a namesake keyboard instrument. 
The third movement of a piece of this type is marked "Andante cantabile ma pero con moto" and is a set of variations on a theme in D major in 3/4 time.
piano trios [prompt on "trios"] 