But the most famous movement, actually act 2 scene 5 of the play, features the hero riding on the back of a pig to a place where he is taunted and tormented by trolls.
Though there were originally 23 pieces, after revision: only two settings of four numbers each were orchestrated. The third section is scored for strings but features a lone triangle, capturing the North African setting and sensuality of its title: Anitra's Dance . Perhaps the finest music in this piece is contained in the introduction also known as Morning Song  or Morning Mood . But the most famous movement, actually act 2 scene 5 of the play, features the hero riding on the back of a pig to a place where he is taunted and tormented by trolls. FTP identify this suite which ends with "In the Hall of the Mountain King," a work by Edvard Grieg.
Though there were originally 23 pieces, after revision: only two settings of four numbers each were orchestrated.
Incidental Music to Peer Gynt  or Peer Gynt Suite