You can use it in videos, but you must credit the artist. Public Domain: Do whatever you want! Start Your Journey
The grid is calling. Start by searching Bandcamp for "Synthwave" and filtering by "Free" to grab your first few tracks. Your car (even if it's not a DeLorean) will thank you. Retrowave Free Download
Many producers upload "Free Download" tracks to build their following. Look for "Buy" links that actually redirect to a free download gateway. Free Resources for Creators You can use it in videos, but you must credit the artist