This is a short flageolet sound, played with plectrum on an acoustic (steel string) guitar. I used this sound for coursera course "audio processing for music applications".
Little spot of ice on a street, in a village in italysimply walking on it to record the sound of ice-crackingfeel free to use this sound if you like itbyef.
This creation is sound background for a scene, it works great with genres such a spy or crime drama. Leaves of feeling of something going down or about to, a plan in the making.