It starts showing up live at the end of 76' and by Spring of 77' he seems to have a grasp of how he wants to use it...
Check out these rehearsals in August of 76' where he has it on the Bandpass setting...slightly anemic sounding but cool nonetheless...
https://archive.org/details/gd1976-08-2 ... ntal1.flac
Check out these rehearsals in August of 76' where he has it on the Bandpass setting...slightly anemic sounding but cool nonetheless...
https://archive.org/details/gd1976-08-2 ... ntal1.flac
"It all rolls into one..."