It's a recording of a single cricket making his sounds in a buch.
There are some background noises like people chatting, cars driving by, and common air noise. There are also low-frequenct rumbles from my hand holding the recorder.
I advise you to filter out frequencies below 200 Hz, it sounds much cleaner this way. I didn't do that to let you do it or not.
I've found out that the prominent frequencies of the cricket's "song" is between 4kHz to 16kHz, filtering anything else out helps to clean the sound up. Attenuating it afterwards makes it pretty usefull as an ambient sound for a game or a movie.
Recorded with a hand-held Zoom H2, rear mics.
Truncated, normalized and converted to FLAC using Audacity.