I've Always been fasscinated of vibrations, from Earth quakes to tiny rubber rings. I have been studying latex vibrating. I found a reort on latex as long ago as to a German University Year 1895! You'll get examples later. The beautifl singing steel bar was for book shelves. All my sources are from Daily things we all have around. By striking it on varying positions you got small Changes despte it was one and the same body.
k1b.wav
聲道：1
類型：wav
part、vibrations、construction、steel
部分、振動、施工、鋼
資料來源：freesound ( https://freesound.org )