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.
-the bass is made with a sub+a melodic part made with massive
-the synths are made with super8 and form(reaktor)
Instrument hammond organ
Sample pack larrygoldings vol1
Loop name D funky 01 92bpm