2nd species counterpoint

What should the first harmonic interval be in a 2:1 counterpoint?

An 8 or U (or 5 if the counterpoint is the upper part).

What type of note should end the last measure in a strict counterpoint?

A whole note.

What harmonic intervals can be used in the last two measures?

5-6-8 or 5-3-8 (or U), or whole notes 6-8 or 3-8 (U).

What type of notes should be used for the counterpoint other than at the beginning and close?

Half notes.

How should consonant harmonic intervals be approached?

By steps, consonant skips, or consonant leaps.

What types of harmonic intervals can appear on the upbeats?

Dissonant harmonic intervals (2, 4, 7, 9, d5, and A4) as passing or neighbor tones.

What should be checked between downbeats and upbeats?

For parallel fifths or octaves.

What is the rule regarding perfect fifths and octaves?

They are allowed from one upbeat to the next, but no more than two in a row.

How should intervals on the downbeat be approached?

Normally by step (preferred) or skip.

What should be avoided regarding motion into a P8 or P5 over the bar line?

Similar motion unless the upper voice moves by step.

What accidentals are allowed at the close of a counterpoint?

Only to raise ŷ (and 6 if necessary).

What principles should continue to be followed in counterpoint?

The principles of good melodic writing regarding overall motion between the parts (contrary, parallel, similar, oblique).