Related Clues:

• The Beatles' "__ Jude"
• A call for attention
• Call attracting attention
• Exclamation repeated in the Monkees' TV theme song
• Common 60-Across
• A summons from the ambassador to Yard
• 'I'm talking to you!'
• Exclamation to call attention
• "Watch out!"
• Vocalized "Psst!"
• 'Ahem' relative
• "Yoo-hoo!"
• 'What's the big idea?'
• 'Ea-a-asy, buddy!'
• "Wait just a darn minute!"