What R&B trio had hits with 'Weak' and 'Right Here'?

SWV

What iconic sci-fi film originated the classic catchphrase "May the Force be with you"? Which musical instrument has strings and is played with a bow? What classic board used to communicate with spirits is associated with Halloween? Which Norse god is associated with Yule celebrations? Who is the only MLB player to have been voted unanimously into the Hall of Fame?