| 1 | (When followed by colon) Part one; first part; act one etc. |
| 2 | (When followed by colon) Part two; second part; act two etc. |
| 2CHOIR | Double choir; two choirs. |
| 2ORCH | Double orchestra; two orchestras. |
| 3 | (When followed by colon) Part three; third part; act three etc. |
| 3V | Three voices; three singers. |
| 4 | (When followed by colon) Part four; fourth part; act four etc. |
| 4V | Four voices; four singers. |
| 5V | Five voices; five singers. |
| AAM | Academy of Ancient Music. |
| ANTH | Anthem. (Includes <MOTET>; but not CORONATION_ANTHEM.) |
| CAM | Concert of Ancient/Antient Music. |
