🔘 IN GR TR AL OF CO xxxxx 1️⃣ 2️⃣ 0️⃣ 3️⃣ 4️⃣ 5️⃣ ✅ 7️⃣ 8️⃣ xxxxx AN RP IV alia

0457 ← → 0459

0458 AN Cantate domino c. n. (min)Modus 6

0456 ⟽ AN 6 ⟾ 0463a xxxxx ↘️

0456 ⟽ 6 TYP triv ⟾ 0464 

Cantate domino / canticum novum.

Typos trivium vide 0464.