Historical clue formulations

• Opera's "barber of Seville" — 2023-05-02
• The barber of Seville — 2022-05-01
• Titular Mozart opera character — 2021-06-01
• French daily, with "Le" — 2016-07-01
• Name repeatedly sung in Rossini's "Largo al factotum" — 2016-04-19
• Opera character who sings "Largo al factotum" — 2013-04-07
• Opera character who sings "Largo al factotum" — 2012-10-25
• Singer of Rossini's "Largo al factotum" — 2008-07-10
• See 38-Across — 2006-09-06
• Singer of the aria "Largo al factotum" — 2004-03-12
• Mozart's "Le Nozze di ___" — 2002-01-16
• Barber of opera — 2000-12-26
• Mozart subject — 1997-10-31
• Beaumarchais's barber — 1996-09-07
• Operatic barber — 1995-12-24
• The barber of Seville — 1995-10-24
• Rossini character — 1994-03-22