This is what the harp wire strings sound like when pulled really hard so that they hit each other, creating a buzzing sound. (source sound for must 121 musique concrete project, partner: megan berger).
A buzz noise i made when i was pretty hungry and impatient but had to wait to go eat with a companion. It would probably be a good sound at lower level for the hum of some type of machine. (like my stomach. ).
Short sample of bees. Recorded near alicante, spain with a microport in january 2018, recorded by a sound device mixer. No additional processing has been added.