@mood okay, so I went looking for more, and found it. :D
Apparently this is Armin Küpper and there is plenty more of his saxophone magic in [Armin Küpper's YouTube playlist "Pipeline - Röhrensound"](https://www.youtube.com/playlist?list=PLIw_Ru2CLqtYjL4BEXuKEf5Imx8BgGQAB
@FiXato hero! thanks for adding this