provides extensive free melody loops and starter packs often used to create sad or dark trap beats.
offers a wide selection of free FL Studio 20/21 project files, including "Emotional Piano Hip-Hop" beats. Download sad melody flp
(searching "Free Sad FLP") provides numerous walkthroughs where the project file is included in the description, covering genres like emotional piano, lo-fi, and rap. provides extensive free melody loops and starter packs