How was this sample flipped ? (Naruto Wind theme song, ksolis trap remix)

[TheSaka24]

Let me first start by saying this is purely to learn how this remix was made.
I contacted original creator but he does not reply.


Remix is great and has amazing rhythm imo,

Here it is, only first 15 seconds interest me :



I love how the sample was flipped but I can not figure out what parts were used for the love of God

Can someone help ?

Also how was the intro made, first 4 seconds

Here is the original sample :


I do believe intro from this sample was used but how was it done for it to sound so bouncy with rhythm ?

Full sample here too, with piano :


I believe this was used for the piano part, but I can't figure out how it was chopped and put together