For 10 points, identify this type of piece, whose
 name is Italian for "joke."
The second of Felix Mendelssohn's three Opus 16 fantasies for piano is one of these pieces. Chopin
 wrote four unusually dark examples of these pieces, including his Opus 20 and his Opus 31. Mendelssohn's
 incidental music to A Midsummer Night's Dream includes one of these pieces after the overture. The third
 movement of nearly all of Bruckner's symphonies is one of these pieces, since it was the main form of the
 third movement of the Romantic symphony. Beethoven's symphonies replaced the minuet with one of these
 pieces, which is usually played quickly and humorously. For 10 points, identify this type of piece, whose
 name is Italian for "joke."
The second of Felix Mendelssohn's three Opus 16 fantasies for piano is one of these pieces.
{scherzo} [or {scherzi}]