rang Avoid the augmented 2nd and the augmented 4th in the melodic line of any of the four voices. The root should be doubled when a triad is in root position (first choice). The soprano voice should be doubled when major or minor triads are in first inversion (first choice). The bass note should be doubled when diminished triads are in first inversion. Root position diminished seldom found. All factors of triads should be present. NNJI 9. Avoid large-leaps of a-6th-or-more. Octave leaps are-an exception. 10. Maintain an octave or less between soprano and alto and between alto and tenor voices. avoid leaps of here