Doubling in unison._

The best and most natural combinations are between instruments whose
registers correspond the nearest:

Vns + Fl. (Bass fl., picc.), Vns + Ob., Vns + Cl. (small Cl.);
Violas + Ob. (Eng. horn), Violas + Cl., Violas + Fag.
'Cellos + Cl. (Bass cl.), 'Cellos + Fag.;
D. basses + Bass cl., D. basses + Fag.; D. basses + C-fag.

The object of these combinations is: a) to obtain a new timbre of
definite colour; b) to strengthen the resonance of the strings; c) to
soften the quality of the wood-wind.

_Examples:_

_Snegourotchka_ [[5]]--'Cellos + Violas + Eng. horn (cf. Ex. 15).

" [[28]]--Violas + Ob. + Eng. horn.

" [[116]]--Vns I + II + Ob. + Cl.

" [[288]]--Vns I + II + 'Cellos + Eng. horn (cf. Ex. 17).

No. 80. _The May Night_, Act III [[Bb]]--Violas + Cl.

No. 81. _Sadko_ [[311]]--Vns + Ob.

No. 82. " [[77]]--Violas + Eng. horn.

No. 83. " [[123]]--Violas + Eng. horn.

_Servilia_ [[59]]--Vns _G_ string + Fl.

_Tsar Saltan_ [[30]]--Vns I + II + 2 Cl.

No. 84. _Tsar Saltan_ [[30]], 10th bar.--'Cellos + Violas + 3 Cl. +
Fag.

_Tsar Saltan_ [[156-159]]--Vns detached + Fl. _legato_.

_The Tsar's Bride_ [[10]] Violas + 'Cellos + Fag.

_Antar_, 4th movement [[63]]--'Cellos + 2 Fag.

_Sheherazade_, 3rd movement [[H]]--Violas + Ob. + Eng. horn.

_Parts doubled in octaves._

Examples of strings in octaves doubled by wood-wind also in octaves
are numerous, and do not require special description; they are used
according to the rules already laid down. The following are examples
of melody distributed over 1, 2, 3 and 4 octaves:

_Examples:_

No. 85. _Ivan the Terrible_, beginning of Overture--Vns I + II + 2
Cl./Violas + 'Cellos + 2 Fag.] 8.

No. 86. _Sadko_ [[3]]--'Cellos + Bass cl./D. basses + C-fag.] 8.

_Sadko_ [[166]]--'Cellos + Fag./D. basses + C-fag.] 8.

" [[235]]--Violas + 2 Cl./'Cellos + D. basses + 2 Fag.] 8.

_The Tsar's Bride_ [[14]]--'Cellos + Fag./D. basses + Fag.] 8.

_The Tsar's Bride_ [[81]]--Vns I/Vns II div. + Fl./+ Ob.] 8.

" " " [[166]]--Vns I + Fl./Vns II + Ob.] 8 (cf. Ex. 22).

In three and four octaves:

_Servilia_ [[93]]--Vns + 3 Fl./Violas + 2 Ob./'Cellos + 2 Fag.]
8/8.

No. 87. _Kashtchei_ [[105]]--Vns I + Picc./Vns II + Fl. +
Ob./Violas + 'Cellos + 2 Cl. + Eng. horn + Fag.] 8/8.

_Sheherazade_, 3rd movement [[M]]--Vns I + Fl./Vns II +
Ob./'Cellos + Engl. horn] 8/8.

_