Possible Clues:

• "Use your head!"
• Consider this tank!
• Judge, consider
• Ponder, making most of the writer's material
• Meditate
• Brainstorm
• 1/2 of 30 + 1/4 of 9 … 1,000? That's suspect
• 1968 hit for 42-Across
• 'I need you to remember this!'
• Michael Penn's only major US hit