Related Clues:

• '___ Water' (Caleb Azumah Nelson book)
• 'I'm an ___ book!'
• The competition allows both professional and amateur competitors
• Perform before a headlining band
• Sporting event for both profess­ionals and amateurs together
• Word before "house" or "bar"
• In basketball, unguarded
• Willing to listen (to)
• Calendar slot status
• Old writer not afraid to call a spade a spade
• 17 across, composer appearing in month — where reason for being late remains unknown?
• Frank adaptation? Nope!
• Straightforward or ready for customers
• Frank is ready to meet customers
• Accessible; frank