Related Clues:

• 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
• Old writer is generally accessible
• Nonmonogamous, in a way
• Serving customers
• Unguarded ring, enclosure
• Old writer accessible to all
• Play before the headlining band
• 'I'm ___!' ('Pass it to me!')
• Don't lock a jar
• Word with season or mind