This is a tutorial on the christmasTree library.
christmasTree is a library for creating interactive ornaments for your Christmas tree that are based on Arduino and the NeoMatrix modules from Adafruit.
You can find the library at codebender.cc
The link for the Adafruit_NeoPixel strandtest example should be goo.gl/9OUac9.
Sounds are from freesound.org. Schematics were based on Fritzing.