Historical clue formulations

• Beethoven's "___ Solemnis" — 2012-05-02
• ___ cantata (church service) — 2002-06-23
• Beethoven's "___ Solemnis" — 1997-04-06
• Beethoven's "___Solemnis" — 1996-07-24
• Beethoven's "_____ Solemnis" — 1995-10-08