| 5 | [ | Sopr., | 4 | [ | C.-alto, | 5 | [ | Ten. |
| C.-alto, | Ten., | Bass. |
should progress nearer to one another; it is rare for them to move in tenths, common in sixths and thirds; they may also proceed in unison. The two voices are seldom separated at a greater distance than an octave, and certain cases will require crossing of parts, which, however, should only be for periods of short duration.
Examples:
Snegourotchka 263-264—Soprano and Alto.
* The Christmas Night 78-80—Alto and Tenor.
* Legend of Kitesh 338—Tenor and Bass.
Voices related in thirds;
| 3 | [ | Sopr., | M.-sopr., | Ten., | Bar. |
| M.-sopr., | C.-alto, | Bass, | Bass, |
may move in unison, in thirds and sixths, and admit very largely of the crossing of parts. Separation by more than an octave must only be momentary, and is generally to be avoided.
Examples: