Check out the must-hear releases of the week. MUNA Dean Bradshaw Trending on Billboard Billboard’s  Friday Music Guide  serves as a handy guide to New Music Friday’s most essential releases each week — the key music that everyone will be talking about today, and that will be dominating playlists this weekend and beyond.  Explore See latest videos, charts and news Last week , we featured Madonna with Sabrina Carpenter, Kacey Musgraves and Zara Larsson. This week, Charli xcx kicks off her next chapter with “Rock Music,” MUNA releases its punchy fourth album and Lykki Li drops her sixth and final career project… plus much more. Check out all of this week’s picks below: Charli xcx, “Rock Music” Soon after Charli’s management teased to Billboard in April that she was working on her forthcoming eighth album, she started dropping hints about what that would sound like, including telling British Vogue there may would be some rock inspiration.…