When such chords are written for an orchestra which only includes two trumpets, it is impossible for the horns to proceed in pairs. In such cases the following arrangement may obtain, the horns being marked one degree louder than the other instruments, to secure balance of tone:
The same method should be followed whenever the use of horns in pairs fails to produce satisfactory tone.
When chords of widely-divided harmony are distributed throughout several harmonic registers, the register occupied by the horns need not be doubled; the arrangement of the chord will resemble that of a chorale written for double or triple choir. For example:
