Easy Piano - Level 2 - Digital Download SKU: A0.850198 Composed by Edvard Grieg. Arranged by Leah Ginzburg. Children,Concert,Film/TV,World. Score. 4 pages. Leah Ginzburg #6519015. Published by Leah Ginzburg (A0.850198). One of the most popular and frequently performed pieces from the Peer Gynt suite is March of the Trolls (Troldtog). Here is an arrangement of March of the Trolls (Dwarfs) for piano solo in A minor.