To prevent your track from sounding like everyone else using the same free pack, try these techniques:

Don't just loop the 4-bar phrase. Slice it up and create a new melody.

Drop a guitar loop down an octave to give it a dark, "dark-pop" or "trap" aesthetic. Conclusion

Ghosthack provides high-quality cinematic and atmospheric guitar loops. Their free packs are perfect if you need "washed out" reverbs and delay-heavy textures. Cinematic scoring and Ambient music. What to Look for in a Sample Pack