THE INSTRUMENTS OF THE ORCHESTRA BRIEFLY CONSIDERED.

The instruments are taken in the order in which they appear in a score.

FLUTE.

Non-transposing. Compass:

Tone. Rich and full but easily obscured in the lowest octave.
Pure and limpid above this.

Normal use. Doubling 1st Violins or the other Woodwind at
the octave above. Used also for rapid decorative passages. In solo
work it has an antique pagan character in its medium register.

 PICCOLO.

Sounding an octave higher. Compass:

Not much used in bottom octave.

Tone. Shrill and acute in high registers.

Normal use. Doubling Flutes at the octave above, in fortissimo
passages for full orchestra. Used quietly it adds great brightness
and piquancy especially in staccato work.

 OBOE.

Non-transposing. Compass:

The extreme high and low notes are rarely used. Tone very
Characteristic. Plaintive and reedy. Pastoral in character, but in
Staccato work playful or even spiteful at times.

Normal use. Solo passages, often very short, but can draw a
fine long expressive line. Capable of considerable execution, but
not comparable in this respect with Flute and Clarinet.

 COR ANGLAIS.

Sounding a fifth lower. Compass:

Tone. Very characteristic. Hollow and woody on lowest notes.
Tragic and expressive in medium register. Can be distinguished
from the Oboe by its rounder, more throaty tone.

Normal use. Chiefly used for solo work ; but often doubles
Violas and/or 'Cellos in melodic passages. Its telling tone makes it
unfit for unobtrusive filling-in parts. It usually has something
definite and important to say.

 CLARINET.

Sounding when in B flat a tone lower, when in A a minor third lower. Extreme high notes rarely used. Compass (written):

Tone. Very rich and characteristic in bottom octave (known
as the "chalumeau"). Cool and clear in medium register, shrill
on the top notes. Capable of more variety in loud and soft than
any other wind instrument. When played very fast it can produce
a mere wisp of sound.

Normal use. Very adaptable. Excellent for solo work.
Passages in thirds and sixths for two Clarinets are frequently used
and are very effective. Very useful for filling-in also. Capable of
rapid execution. Arpeggio passages very effective and much used,
sometimes at great speed.

 BASS CLARINET.

Sounding when in B flat a major ninth lower,
when in A a minor tenth lower. Compass (written):



Alternative notation is in the Bass clef, in which case the trans-
position is a tone and a minor third lower for the B flat and A
instrument respectively. The Bass Clarinet in A is now obsolete.

Tone. Very velvety and unique in quality in the lowest octave.
Above that the tone is something between that of a 'Cello and a
Saxophone. The top notes are very rarely used.

Normal use. Generally employed for the effect of its low notes.
Quite often used for solo passages, but is also useful as a bass to
the Woodwind and for doubling other low-pitched instruments in
melodic work. Like the Clarinet it is capable of much variety of
tone and can produce an equally delicate pianissimo.

 BASSOON.

Non-transposing. Compass:

Tone. Rich and deep in bottom register. Expressive and
'Cello-like in medium register. High notes rather thin and querulous.

Normal use. Of the utmost value in the orchestra. It can be a
good soloist, double melodies an octave below Violins or the higher
Woodwind instruments, act as bass to the Woodwind group or take
the bass line with the Double Basses when the 'Cellos are required
for melodic work. Blends admirably with Horns, Clarinets and
Strings, and is of great use in filling-in harmony notes in the tenor
register, quietly and unobtrusively. It is capable of considerable
execution and its dry staccato is sometimes exploited for its humor-
ous quality.

 DOUBLE BASSOON.

Sounding an octave lower. Compass:

Tone. Very gruff and powerful on lowest notes.

Normal use. Reinforcing the Double Basses in fully scored
passages.

 HORN.

Horn in F, sounds a fifth lower. Compass (Valve Horn):

For other transpositions see THE TRANSPOSING INSTRUMENTS

Tone. Round and rich in medium register. Extreme high
notes rather rare. Bottom notes (chiefly used by 2nd and 4th
Horns) growly, but useful for long held notes. The tone is expres-
sive and poetic in quiet solos, rough and penetrating in fortissimo.

Normal use. Filling in, holding long notes, some solo work.
Passages for four Horns in unison are effective and frequently used
in modern music since Wagner. Blends well with Bassoons and
Clarinets and reinforces 'Cellos in melodic passages admirably.
The Horn quartet makes a rich middle for the orchestra. Muted
and hand-stopped effects are common in modern scores.

 TRUMPET.

In C (non-transposing). Also in B flat and A, transposition
the same as for Clarinets. Compass (Valve Trumpet):

For other transpositions see THE TRANSPOSING INSTRUMENTS

Tone. Very rich and penetrating in forte and fortissimo; quiet
tone is equally noble and imposing except on very high notes which
are rather screamy but highly exciting.

Normal use. Occasional solo passages, but not suitable for
anything of a romantic character as such melodies become vulgarised
on the Trumpet. Capable of considerable execution, but most
suited to fanfare-like passages, crisp chord-playing with Trom-
bones, or sustained work. Always makes its presence felt -and is
therefore unsuitable for unobtrusive filling-in. Rapid repetition of
notes (double or triple tonguing) is very effective.

When muted and played softly it changes its character, pro-
ducing a quiet far-away tone slightly nasal and devoid of all the
martial pomp associated with the normal sounds. When muted
and played loudly the nasal character is much amplified and the
tone is harsh and very penetrating.

 TENOR TROMBONE.

Non-transposing. Compass:

Tone. Similar to that of the Trumpet, taking differences of
pitch into account. Blend of Trombones and Trumpets is therefore
perfect.

Normal use. Two Tenor Trombones and Bass Trombone are
used as a group in three-part harmony and are capable of all degrees
of force from ppp to fff. Solo-work is rather rare, but the three
Trombones are often used in unison for melodies of a grand and
impressive type. When played softly they blend admirably with
the Horns. Effective chord-spacing for Trombones plays a very
important part in the effectiveness of passages for full orchestra.
Crisp chords produce a fine crackling effect, while sustained work
has a nobility unsurpassed in the orchestra, especially if the tone
is unforced.

Muted Trombone effects are even more nasal in tone than those
of muted Trumpets.

 BASS TROMBONE.

Non-transposing. Compass:

Tone. Similar to Tenor Trombone, but if anything it is more
powerful and its low notes are definitely of better quality than those
of the tenor instrument.

Normal use. Acts as bass to the Brass section and works in
three-part harmony with the Tenor Trombones.

 BASS TUBA.

Non-transposing. Compass:

Notes above the Bass staff are rarely used.

Tone. Round and full, never achieves like the Trombones a
cutting edge.

Normal use. Doubles the Bass Trombone at the octave below,
and sometimes makes true four-part harmony with the Trombones.
Reinforces important bass lines, and is rarely used as a solo instru-
ment, and then only for some special dramatic effect as a rule.

 TIMPANI.

When two Drums are used they have the following compasses:

and

When three are employed the extra Drum lies between the two
given above, viz:

"Machine-drums" are also used in some orchestras (see
NOTATION OF PERCUSSION).

Tone. Resonant, and gives true pitch especially on the medium
and higher notes. Capable of producing all shades of tone from ppp
to fff both in single notes and rolls.

Normal use. Marking the rhythm, playing long or short rolls,
crescendo or diminuendo or sustained at equal pressure. Adds
great power to the full orchestra, but is capable of very delicate
effects. A real musical instrument. The timpanist is a very import-
ant member of the orchestra.

Other Percussion instruments.

These give notes of indeterminate pitch, those in most common
use being Bass Drum, Cymbals, Triangle, Tambourine and Side
Drum. Others less frequently used are Gong, Jingles, Castanets,
Tenor Drum, Chinese Block, etc.

Normal use. To mark the rhythm, add weight to climaxes,
introduce local colour and dramatic effects. These instruments are
not only used loudly, but are all capable of artistic and delicate use.

 THE GLOCKENSPIEL.

Sounding one or two octaves higher. Compass:

Tone. Clear and bell-like, produced by striking resonant little
metal bars.

Normal use. Isolated notes, simple melodic figures, and bell-
like passages.

 THE XYLOPHONE.

Usually sounding one octave higher, but sometimes sounding
as written. Compass:

Tone. Dry and "chippy ". It is produced by striking a Series
of wooden bars.

Normal use. Very agile, effective in very rapidly repeated
notes, combines well with pizzicato strings. Hard, expressionless
and brilliant.

 THE CELESTA.

Sounding an octave higher. Compass:

This instrument has a keyboard like a piano, the tone being pro-
duced by hammers striking steel bars. Its part is written on two
staves like piano-music.

Tone. Clearer and rounder than that of the Glockenspiel.

Normal use. Solo-work of very light and airy character.
capable of considerable execution, the notes have some sustaining
power. Used as a charming colour-effect.

 THE HARP.

Non-transposing. Compass:

The Harp has a special technique, the pitch of the notes being
altered chromatically by means of pedals.

Tone. Too well known to need description. Its part is written
on two staves like piano music.

Normal use. Adding richness to the orchestral ensemble by-
means of arpeggios, chords and so on. Often used to accompany
solo wind or stringed instruments. Glissandi are often used, also.
harmonics. When a piece is written in a very sharp key such as B
or F sharp the Harp part will often be found to be written in the
enharmonic equivalent, i.e. C flat or G flat, because its special
technique is more favourable to remote flat keys than remote
sharp ones. Those who wish to discover exactly how the Harp
works must consult a text-book of orchestration. It is too. com-
plicated to go into in detail here.

 THE VIOLIN.

Non-transposing. Compass:

A few higher notes can be obtained as harmonics.

Open strings

Tone. Too well known to need description.

Normal use. Divided info 1st and 2nd Violins and often sub-
divided still further (divisi). The 1st Violins on the whole carry
the most important melodic work in the orchestra. The 2nd Violins
provide an inner part or double the 1st Violins in unison or at the
octave below. Double stops, tremolos and pizzicato are frequent
devices in the orchestra. The mute is often used. Much brilliance
is often imparted to a passage for full orchestra by rapid running
passages for the Violins while Brass and Woodwind provide the
chief thematic interest, but the 1st Violins are primarily melodic.

 THE VIOLA.

Compass:

Higher notes can be obtained especially by the use of harmonics.

Open strings

Tone. Very characteristic in the bottom octave (C string),
powerful and becoming rather reedy as it ascends.

Normal use. Supplies inner parts in alto and tenor register,
frequently called upon to play double stops and chords, while
tremolo and pizzicato are common. Sometimes used melodically,
especially when doubling the Violins at the lower octave. Not in-
frequently a melody is written in three octaves for 1st and 2nd
Violins and Violas. In the early classics the Viola part often doubles
the bass line in unison or at the octave above because Viola players
could not then be entrusted with much independent work owing to
their lack of technique.

Mutes are very effective on the Violas. Viola parts are fre-
quently divided into two or more parts (divisi) especially in modern
works.

 THE VIOLONCELLO.

Non-transposing. Compass:

Higher notes may appear in solo 'Cello parts both as ordinary and
harmonic notes.

Open strings

Tone. Rich, full and powerful in lowest register. Middle notes
less powerful (the tone of the two middle strings of all stringed
instruments is less powerful than that of the outside ones) but of
pleasing musical quality. The top string is very expressive and
penetrating and its quality will no doubt be familiar to readers.

Normal use. Plays the bass line with or without the Double
Basses. Also plays melodies and counter melodies in the tenor
register, either doubled in unison by other instruments of like pitch
or alone. Combines well in unison with Violas, Horns, Clarinets,
Bassoons and Cor Anglais. Violoncello parts, like those of the
other strings, are frequently divided nowadays into two or more
parts (divisi). The pizzicato is resonant and is much used. Double
stops, chords, tremolos and so on are also frequently to be met
with.

The mute is perhaps less effective on the Violoncello than on
the higher strings (probably because the mute is often not heavy
enough), but it is used when the other Strings are muted, though in
early classical days this was not so.

 THE DOUBLE BASS.

Sounding an octave lower. Compass:

Higher notes are possible, obtained both in the ordinary way
and as harmonics.

Tone. Rather gruff and dry when used alone, but when doubled
an octave higher by Violoncellos or Bassoons the Double Basses
give great depth and power to the bass line. They rarely come out
into the open, as it were, but are extremely important nevertheless
because without them the bass of the orchestra would be lamentably
weak and deficient. Their pizzicato is immensely effective and
resonant, having considerable duration, and is much used. Double
stops and chords are extremely rare, but nowadays " divisi",
especially in octaves or fifths is of frequent occurrence. Long
sustained notes in forte passages are not possible without changing
the direction of the bow fairly frequently, but they are often written
in scores, the players changing their bows at different times.
Tremolos cannot be kept up long at great speed as they are very
fatiguing.

This brings us to the end of our brief descriptions of the
instruments in ordinary use. For the sake of completeness we
now add a few similar remarks on the rarely-used instruments.

 THE BASS FLUTE.

Sounding a fourth lower. Compass:

Tone. Very rich and full in the lowest register.

Normal use. As a solo instrument. Capable, like the ordinary
Flute, of much execution.

 THE OBOE D'AMORE.

Sounding a minor third lower. Compass:

In the scores of Bach, parts for this instrument are written at
their true pitch, but when used in modern scores the above trans-
position is always employed.

Tone. Between that of the Oboe and Cor Anglais. Less
pungent than the Oboe but not so throaty and heavy as the Cor
Anglais.

Normal use. As a solo instrument.

 THE HECKELPHONE.

Sounding an octave lower. Compass:

Tone. Very reedy and sinister in its low register.

Normal use. As a solo instrument and as a bass to the Oboe-
Cor Anglais group.

 THE CLARINET IN E FLAT.

Sounding a minor third higher. Compass:

Tone. Similar to the ordinary Clarinet in its lower registers.
Upper notes shrill and penetrating.

Normal use. Reinforces the Flutes in fully scored passages.
Also used as a solo instrument. A regular constituent of the Military
Band.

 THE BASSET HORN (Corno di Bassetto).

This was a Tenor Clarinet in F which was ousted early in the
nineteenth century by the Bass Clarinet. Mozart made extensive
use of it in " Die Zauberflöte " and also used it in his Requiem and
in " Die Entfuhrung " (Constanze's Aria). He also used the instru-
ment in some of his chamber works for wind instruments.

Sounding a fifth lower. Compass:

Tone. Rich, full, reedy and rather sombre in low and medium
registers. High notes rarely used.

Normal use. Mozart used it as an obbligato instrument in some
of his operatic works, also to aid in giving a dark and impressive
character to the orchestral ensemble as in " Die Zauberflöte " and
the Requiem. Its use in Mozart's scores has kept it from becoming
obsolete, but examples of its employment by more recent com-
posers are almost non-existent as far as the writer knows.

 THE SAXOPHONE.

For transpositions of the various Saxophones
see THE TRANSPOSING INSTRUMENTS Compass:

The Saxophone most frequently used in the orchestra is the Alto
in E flat.

Tone. No doubt all too familiar to the reader from its use in
Dance bands.

Normal use. As a solo instrument. In Military Bands the
Alto Saxophone in E flat and the Tenor in B flat are regularly used.

 THE SARRUSOPHONE.

Sounding an octave lower. Compass:

Used by some French composers instead of the Double Bassoon.

 THE CORNET.

In B flat and A, transposing like Clarinets in those keys.
Compass:

Tone. Similar to the trumpet but with less character and far
less nobility.

Normal use. French composers of the last century favoured
its use because of its agility and its tone contrasted with that of the
trumpets in F, E flat and E which were then in use. Now that the
smaller Trumpets in C, B flat and A are used, the Cornet is un-
necessary in the orchestra. It is, of course, the mainstay of the
Brass Band, and is an important member of the Military Band.
Comparatively recent works in which Cornets are used are Stra-
vinsky's "Petrouchka", Elgar's "Cockaigne Overture" and
Vaughan Williams' "London Symphony".

 THE TENOR TUBA.

In B flat, sounding a ninth lower. Compass:

Like the Bass Clarinet, its part is also sometimes written in
the Bass clef in which case it sounds only a tone lower.

Tone. Round and hollow, but penetrating.

Normal use. As a solo instrument mainly, but also to reinforce
the Bass Tuba line at the octave above. Only to be found in very
heavily scored works such as Strauss's "Don Quixote" and " Ein
Heldenleben " and Hoist's "Planets".