Historical clue formulations

• Hymn whose final couplet is known as "Pie Jesu" — 2024-06-15
• Part of a requiem Mass — 2013-03-17
• Mass part — 2011-04-24
• Hymn whose second line is "Solvet saeclum in favilla" — 2009-08-30
• Requiem Mass hymn — 2005-07-20
• Well-known hymn — 2004-04-24
• Hymnal standard — 1996-02-25
• Solemn hymn — 1994-04-19