I don't really teach in themed units, but if there are folk songs that are appropriate to the season and contain the concepts we are preparing or practicing, I try to include them.
All of the songs in this bundle are available individually on my TPT store, but if you are interested in several you can save several dollars by purchasing as the bundle.
This set contains these seven songs:
A few page examples:
Examples of Solfa Street (in song slides):
This bundle is available here: http://www.teacherspayteachers.com/Product/Spring-Songs-and-Activities
Or you can check out each individual song by following these links:
John the Rabbit
Old Mister Rabbit
Frog in the Meadow
Rain Rain Go Away
Come Back Home My Little Chicks
Spring Vocal Explorations