Many bubbles made with air-filled bottleunder water of a sinkthis one is not continuous, sounds more bottlingrecorded with sony md recorder and stereo microphone.
This is a little rock beat pieced together with a paint scrapper, five gallon bucket, and a no. 10 can. Loops. Recorded at 150 bpm. I got really cool results(edm, industrial,. . . ) with various vocoders, delays, distortion.
Walking on soil: sneakers. Recorded with a zoom h2 in a basement of a house: a wooden container placed on a carpet filled with soil. Normalized with audacity.