Possible Clues:

• 'Each Dawn __' (Cagney film)
• Romeo's last words
• Bryan Adams "18 til ___"
• '05 Motley Crue song "If ___ Tomorrow"
• '03 Story of the Year hit "Until the Day ___"
• 1969 hit, "And When ___"
• Cagney movie 'Each Dawn ___'
• The Band Perry's 'If ___ Young'
• 'This'll be the day that ___...' ('American Pie' refrain)
• "And When __": Blood, Sweat & Tears hit