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Instrumentation Help

Individual Instruments

The standard orchestral instruments are represented thus (with standard doubling instruments included in the same line):

Other instruments include

In other cases the name of the instrument is written out in full.

When using these abbreviations it is to be assumed that only one of each instrument is required.  If more than one, precede with the number required, thus a string quartet would be 2 Vn Va Vc, a piece for 20 violas (and we have one) would be 20 Va.

Alternative instruments are indicated thus:

Works that require more than one pianist will distinguish between

Vocal and Choral Works

The main voices are represented thus:

Unspecified voices are rendered either simply as Voice, Female Voice, Male Voice, High Voice, Low Voice etc as indicated in the score. 

Solo voices are separated by a space; choral voices are not.  Thus:

A few examples:

Orchestral Combinations

The scoring of orchestral works is indicated by a commonly-used numerical system based on the two sets of four instrumental groups of wind instruments.

Thus, for example:

Doublings etc are indicated by a + sign if an extra player is involved, thus 2+1222 in the woodwind sequence indicates 2 flutes and a third player on piccolo (or other doubline instrument). And brackets if the player is expected to switch during the piece, thus 2(1)222 in the woodwind sequence indicates that one flautist will be required to switch to piccolo (or other doubling instrument) during the piece.

Soloists front the instrumentation followed by a slash

Thus, for example:

Other combinations

Certain kinds of work afford a certain flexibility of forces, in which case the instrumentation can be indicated simply as Wind Band or Brass Band or Folk Group.

In music written before 1800 representing instrumentation becomes tricky because the score offers several possibilities and it is not easy to represent this economically. Our catalogue becomes pretty inconsistent in these cases.