The first half part is 4 sequences made with 6 tracks of the x16 sequencer based on a patch which uses only the filter resonance (last VCS3 and Synthi filters) like an oscillator and the second part is some examples of the preset sequences.

Devs, Prods & Tags: KX77FREEKx-Synth-X16
Winning the KVR Developer Challenge: An interview with Julijan Nikolic (Youlean)