Related Clues:

• Like Motown, to young music fans
• Not fresh, as bread
• Traditional Platonic Academy
• Way past the sell-by date
• Humdrum, as humor
• Cliched
• Past the "sell by" date, maybe
• Fresh no more
• Not longer fresh
• Like old beer or jokes
• Like early rap
• Like old jokes or popcorn
• Like old beer
• Old table top found amongst discounted items
• No longer a novelty