Related Clues

• Like some tennis games
• Score before 15
• Common word at Woodstock, August 1969
• It's nothing to Agassi
• Troubadour's subject
• Nothing on the court
• It precedes 15
• It means nothing to some people
• Zero, on a court
• Valentine's Day sentiment
• It means nothing to Navratilova
• It was free during the hippie era
• Starting point in tennis
• It "makes the world go round"
• "The ___ Bug" (1969 Disney movie)
• Theme of many Robert Indiana works
• "To Know Him Is To ___ Him" (Teddy Bears hit produced by Phil Spector)
• 15 preceder
• It means nothing to 45-Across
• First-sight phenomenon