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.
Summer house record.
Project is in the key of B min.
Sample pack Komorebi Audio - Drill Vs. Rnb
Loop name KA_DVR_135_no_bass_songstarter_mario_Am