Birdchain generates bird songs based on a Markov chain.
samples/xc151115_*are based on XC151115 by Jarek Matusiak, used under CC BY-NC-SA 3.0.
samples/xc164969_*are based on XC164969 by Elias A. Ryberg, used under CC BY-NC-SA 3.0.
samples/xc170185_*are based on XC170185 by Jerome Fischer, used under CC BY-NC-SA 3.0.
I’d like to thank the xeno-canto project and the community for creating such a great collection of Creative Commons -licensed bird song recordings. That’s very cool.