Possible Clues:

• 'This ___' (1979 Loggins hit)
• '___ any wonder?'
• See 51-Across
• "You really think that's true?"
• '-- bigger than a breadbox?'
• '___ Love' (1986 hit)
• '...or ___ me?'
• Part 1 of a wordplay-related quip
• '-- true?'
• 'This ___' (Michael Jackson album)