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.
Deep techno track in the style of Guy J.
Most sounds are from U-He - Repro.
Sample pack Function Loops - Vocal Pack by Lokka Vox
Loop name FL_LOKKA_Fx_One_Shot_18_D#