General Abv
| Abv+/- | Full+/- |
|---|---|
| CN | [Solo] concerto. |
| CNGR | Concerto grosso; grand concerto. (Often editorial for concerto.) |
| CNTE | (Sinfonia) Concertante (used here for any non-solo concerto; except CNGR). |
| COND | Conductor; conducted by. (May be musical or administrative; see DIR LEAD.) |
| CT | Catch. (See also GL.) |
| CTD | Continued. |
| DB | Double-bass. |
| DBDR | Double bass drums. (See also DRS DDR.) |
| DBN | Double bassoon. |
| DDR | Double drums. (See also DRS DBDR.) |