Related Clues:

• Drifters' '___ the Roof'
• Well-informed about
• After
• Atop
• Fully informed about
• Above
• Privy to
• Apprised of
• Surmounting
• See 35-Down
• Stratford-___-Avon
• Very soon after
• '___ the Roof' (1963 hit)
• Knowing about
• Au courant