IN GR TR AL OF CO 1️⃣ 2️⃣ 3️⃣ 4️⃣ 5️⃣ 6️⃣ 7️⃣ 8️⃣ AN RP IV alia

4121 ← → 4123

4122 AN Alleluia (8) (Cum autem) 8x Modus