They say ‘no samples’, but I don’t think GM synths worked like the modeling synths do in sp.
I found these samples - https://freewavesamples.com/sample-type/guitar
I reckon your best bet is to have a play around with those 
They say ‘no samples’, but I don’t think GM synths worked like the modeling synths do in sp.
I found these samples - https://freewavesamples.com/sample-type/guitar
I reckon your best bet is to have a play around with those