Related Clues:

• Began the betting
• Performed prior to the main act
• Uncork
• Airy
• ''___ mouth, insert foot''
• Take the stage first
• Not closed
• Shop window sign
• Still not settled
• ''___ sesame''
• Led off
• Perform before the headliner
• Not buttoned
• Amenable
• ''___ Arms'' (Journey)