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.
5 Layers Bass + 2 Layers. Leads and Synths made in Serum. Sub also made in Serum.
Keyscape + Waves + Glitch 2 + Serum + Melodyne + Ozone + Native Ableton Plugins. Sidechain : Kickstart
Sample pack Singomakers - Ultimate House Sax Vol.3
Loop name SUHS3_Sax_Loop_03_G_min_126_BPM