So if you just renamed the acoustic folder acoustic org
then put the new acoustic folder in that directory, that is all you need to do.
If you play some of the wav files in the acoustic org and acoustic folders you should hear the difference.

Video Demo
Watch https://www.dropbox.com/s/n8xa95px5prolyg/Shiny-CC100.mp4?dl=0
Download https://www.dropbox.com/s/n8xa95px5prolyg/Shiny-CC100.mp4?dl=1

Check that you have no CC100 data in the midi file as that controls the Blend.

Quote:

// Name: Shinyguitar
// Vendor: Karoryfer Samples
// **********************************************************************

<control>
default_path=$sample_dir/
label_cc7=Master Vol
label_cc10=Master Pan
label_cc100=Blend
label_cc101=Tone
label_cc1=Vibrato Depth
label_cc103=Vibrato Speed
label_cc104=Vibrato Delay
label_cc105=Vibrato Fade
label_cc106=Release Noise
label_cc107=Voices
label_cc108=Width
label_cc110=Mute
label_cc112=Tame
set_cc1=0
set_cc7=100
set_cc10=64
set_cc100=0
set_cc101=127
set_cc103=32
set_cc104=0
set_cc105=36
set_cc106=0
set_cc107=0
set_cc108=127
set_cc110=0
set_cc112=0
....