This is a message from the composer in a slightly older post.
"Thank you for your interest, rafman! I never got around to promoting this pack on Twitter (oops), but yes! Purchasing this pack is akin to purchasing a sync license to use these tracks in a game. :)"
Viewing post in Call of the Forgotten Lands (Retro RPG Music Pack) comments
Thanks for the assist, Elliot! This is also covered in section 4 of the ToS for itch, if you want to know more. :) https://itch.io/docs/legal/terms#4-publisher-content