This was recorded in chicago suburb of highland park. What you are hearing is the sound of the streets during the middle of the day. This recording was taken with the person recording familiar with the area. After listening back, the person recording heard several new sounds that were unfamiliar.
The kettle i have at home, going through a cycle until it switches off automatically when it reaches boiling level. I recorded it with my sony pcm-m10. Hope you find it useful!.
Hydrophone recording taken from a boat anchored in a cove off the island of hvar (croatia): continuous crackle, probably produced by pistol shrimps, with random frog-like sounds. Mono, hydrophone (jrf).