asha - JJ Tribute vs 2 funky 2 - Brothers & Sisters: differences & piano tutorial

It would be easy to assume (and many do) that 2 Funky 2 directly sampled the piano riff from JJ Tribute, but actually they just copied part of the main riff while only using 3 fifths of the original notes, so it's a partial reproduction, not a sample. Here's where they differ and how to play both.