The answer would be conflict.
Absolutely! You can take an old piece and make I need by interpreting it with new modern instruments as long as you make sure to keep the integrity of the original piece!
Answer: fragmentation
A musical motive is a short musical idea that is consist of just a few notes or maybe a part of a larger theme. Shortening a musical motive is taking away some notes or only using a part of it
To shorten the musical motive, the composer uses fragmentation.
His own works in order to show off compositional prowess.