Twelve Trees is a set of duets that are in Medium to Medium-Advanced performance ranges. As the name implies, the different selections are meant to exemplify the character of the different trees in the individual titles. The titles/trees are:
1. Oak – a strong, majestic tree
2. Willow – a limber tree with cascading branches and slender leaves
3. Apple – a fruit tree favored by many
4. Hickory – a big tree known for its tough, sinewy wood
5. Loblolly Pine – a tall, straight pine tree found in the southeastern US
6. Locust – a gnarly tree with sometimes crooked branches
7. Birch – a northern tree with light colored bark
8. Banyan – a Pacific island tree with many shoots that descend from the branches to the ground
9. Ginko – an ancient (but surviving) tree that has fan shaped leaves
10. Kapok – a tropical tree that yields a cottony fluff used to stuff pillows and upholstery
11. Magnolia – a flowering tree with oval, waxy leaves
12. Spruce – a conifer with short, prickly needles