HUB-NUB
Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick

The answers to the clues below each contain a word related to the "hub-nub" of the clue's subject.
For example, given the clue, "Gallery of crucial masters," the answer would be "Museum of heart."

1. Dance company's pivotal group
2. Nucleus of the boardgame "Clue"
3. Concert hall's hub
4. Central meaning of after-meal sweets
5. Basic quality of a good sport
6. Elvis hit's message to stay on the straight and narrow

Answers:

1. Core de ballet
2. Kernel Mustard
3. Orchestra pith
4. Gist desserts
5. Essence of humor
6. Return to Center