Not sure exactly how it was done in this case, but the first sample (the "amen break" - you can look it up) is one of the most sampled tracks ever. There are do

Not sure exactly how it was done in this case, but the first sample (the "amen break" - you can look it up) is one of the most sampled tracks ever. There are documentaries about it. I imagine that many people who work with samples and production and deconstructing would develop an ear for it. Similar for rapper's delight too I imagine.