Sinkhole by Ken Goldman

The slug-like Wogslȗk are in your head. Oh, maybe a familiar song might connect you with what little remains of your former self while your brain dissolves on its stem. But in the end the creatures will have you and all your memories too -- and they’ll have your soul in the bargain.  But young Zachary and his beautiful stripper pal, Tiffany, know what lurks beneath the cul-de-sac called Diamond Loop, and they know of others who had discovered the Wogslȗk many years earlier in a small New Mexico town. They know how it ended for them. Now the Wogslȗk have returned. They’re stronger, they’re smarter, and they’re determined to get inside your head. Sing if you must. It may seem your last chance. But it won’t help...