Though it is free, you typically "purchase" it for $0.00 to receive the download link and a personal license agreement via email.
Includes Dark Trap, RnB, Guitar, Ethnic, and Nostalgic melody styles. Cymatics Utopia Free Melody Loops [WAV]
You can find the pack in the Cymatics Free Download Vault . Though it is free, you typically "purchase" it for $0
The samples are 100% royalty-free, meaning you can use them in your commercial projects without owing future payments. Though it is free
Don't be afraid to pitch the WAV files up or down several semitones to change the mood or fit your track's key.