12 pieces:
1. January: By the Hearth
2. February: The Carnival
3. March: Song of the Lark
4. April: Snowdrop
5. May: White Nights
6. June: Barcarolle
7. July: Reaper's Song
8. August: The Harvest
9. September: The Hunt
10. October: Autumn Song
11. November: On the Troika
12. December: Christmas