I have uploaded a Cakewalk software instrument definition for Tetra (TETR4) presets and main controllers at:
https:
//drive.google.com/file/d/0B4g32Jok1ma7MGVfWk1McVlFNjA/edit?usp=sharing
Load via Cakewalk Options-Instruments-Define-Import then browse to where you saved this file
Includes the original out of the box synth presets and presets provided with the editor software(Banks 3 and 4 are slightly different). Select one or select both to import.