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.
Synth has been made using synthesizer Morphine.
Sample pack FF - Techno Rave
Loop name ff_tr_130_bass_loop_loof_Db