GregoBase

Usage - Tropa

• Celsa potestas (Vatican)
• Eia gaudete Martino (Vatican)
• Firmator sancte (Solesmes)
• Kyrie, fons bonitatis (Solesmes)
• Orbis factor (A)
• Orbis factor (Fontevraud Gradual)
• Quem quaeritis (Milano)
• Quem quaeritis ()