Historical clue formulations

• Keys of some songs — 2020-01-26
• ___ Vikander, Best Supporting Actress for 2015's "The Danish Girl" — 2019-06-29
• Keys with the #1 hits "My Boo" and "Fallin'" — 2014-10-19
• Keys on a piano — 2014-02-16
• Keys with tunes — 2013-11-17
• Keys of music — 2011-06-01
• Singer Keys — 2009-07-14
• Ballet's Markova or Alonso — 2008-10-19
• Pianist de Larrocha — 2004-10-10
• Keys who won five Grammys for her debut album — 2004-07-18
• Cher's portrayer in "Clueless" — 2002-11-29
• Alonso of ballet — 2002-03-30
• Actress Silverstone — 2000-01-12
• She played Cher in "Clueless" — 1999-12-26
• Actress Witt of "Cybill" — 1997-12-13
• Alonso or Markova of ballet — 1997-03-21
• Silverstone of "Clueless" — 1996-10-28
• "Clueless" star Silverstone — 1995-11-05