Historical clue formulations

• Prima ballerinas — 2025-08-21
• French stars — 2020-12-13
• Headliners at le Palais Garnier, e.g. — 2016-10-01
• Ballet headliners — 2010-12-16
• Leading lights in ballet — 2009-02-15
• Study for astronomes — 2008-10-23
• Big names in l'opéra — 2003-09-12
• Concern of astronomes — 2001-09-08
• L'Opéra performers — 1999-10-09
• Stars on stage — 1999-08-13
• Ballet headliners — 1999-08-01
• Ballet headliners — 1995-07-15