The base is original from the producer (chords and melodies), but is complemented with elements that complement the song that come from samplepacks, usually, vocal chops, guitars, wobbles sections, glitch effects. It is the standard in which most of producers work, in a project you will find MIDI files made by the producer, but also melodic loops.
Drums, Vocals, fx-es are samples.
Basses and instruments are come from Sylenth and oneshot sample.
The project contains a melodic loop from a sample pack (epiano loop).
Except the epiano loop the other melodies and midi's are fully original.
Sample pack Splice Originals - Washington Heights Latin Trap
Loop name SO_WH_80_melodic_stack_keys_synth_wet_Gmin