Because there are fewer layers of sound, minimal techno is a genre that relies heavily on beat construction. Since it’s techno we’re listening to, repetitive beats are easy to notice and can become unnerving. So, the scenery needs to change often. This song is a shining example of just how much carefully chosen isolated sounds and shifting tonalities can do to the melody.
YouTube (decent quality):
This song is not available on the usual streaming websites and it’s not even listed in Discogs. But here’s the original from Audio Tool:
It is also currently available on Wikipedia: