Creative Commons licensing requires that you give written credit to the artist when using their music within your media content. This must include the artist name, song name, and a link to the song where possible.
Acceptable attribution example:
Music: “Witness” by Pretty Beggar – https://www.sync.land/song/witness/
This attribution can go in the description of YouTube videos, in Twitter/Instagram captions, or in the credits of your show/film.