Try this Trap Chord Progression in your next beat. This mini pack comes with one chord progression in all 12 keys, piano samples, guitar samples, and even drum loops for inspiration. Not to mention a PDF with which scales to use for your melodies.
What you get:
14x MIDI Files
6x Samples
1x Melody
2x Bonus Drum Loops
PDF contents, including which scales to use
That's over 20 FREE files to get creating with right away!