a strained and forced resonance is created. For progressions in thirds, the best method, from the standpoint of equality in tone is to use instruments of the same kind in pairs; for progressions in sixths instruments of different kinds are more suitable, but both courses are good and useful. They may also be employed for progressions in thirds and sixths, or thirds, fifths and sixths mixed, as for example:

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Examples:

Legend of Kitesh 24—different wind instruments in turn.

The May Night, Act III G—

Cl.
Cl.		>[3.

Sadko 279-280—

Fl.
Fl.		>[3 (6).

[No. 67.] Spanish Capriccio, before V—various wood-wind in thirds and sixths.