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.
Used plugins Sylenth , FabFilter, Waves and LFOtool.
Instrument Piano Chords
Sample pack Spinnin Sounds - UK House
Loop name SPINNIN_UKH_124_piano_loop_culture_Dmin