It appears we are back to Undertale.

Orchestral Cover: Written and Orchestrated by JJ Molyneux
  / joshuamolyneux  

Original Piece and Melodies: Written by Toby Fox

Fan Art: YAMsgardenART on DeviantArt

Software used;
-FL Studio
-East West Composer Cloud
-Spitfire audio - LABS
-reFX Nexus