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 of bass
6 layers of percussion
10 layers of melodic
Instrument Melodic Loop
Sample pack Soul Surplus - ChiilMode - Lofi Hip Hop
Loop name SOULSURPLUS_chillmode_melodic_loop_7_synth_pluck_lofi_80_bpm_Gmin