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.
Slap House Song
A#Minor is the Key/Scale
Vst-Instruments : Sylenth 1, Xfer Serum
Master was made in the FLP with Ozone 8
Sample pack Sickrate - Siik Essentials 1
Loop name SSE1 Tremolo Ambience 10 - A