Possible Clues:

• Vicar in 'Emma'
• "Candle in the Wind" singer John
• Ben —; — John
• ''Crocodile Rock'' singer John
• Brand of the NBA
• "Rocketman" icon John
• John who sang "Levon" and "Daniel"
• John with Grammys
• He sang a 2022 duet of “Hold Me Closer” with Britney
• John of Middlesex