Possible Clues:

• Excited wench with grim dad's accompaniment?
• Day and date during good month for a bit of Mendelssohn?
• Wine made around centre of Grand Duchy with top grapes is a demonstration of what was noteworthy at the Marriage at Cana?
• Union demonstration?
• Union demonstration is heard in the aisles by those putting one and one together
• The strain of forming a union?
• Sounds like father¿s giving away daughter fast at church service in spring
• Mendelssohn's offering prediction a month out?
• Notes from demonstration by union?
• Ritual favorite written by Mendelssohn