This started as a long solo piano piece; it was then processed with delay, reverb, multiple filters and a couple of plugins that I can't describe. I took the final file and cut it up into 6 smaller files.
Enigma_04_FX_02.wav
聲道：2
類型：wav
ambient、electronic、noise
周圍、電子、噪聲
資料來源：freesound ( https://freesound.org )