A principal accent or rhythmic unit, especially in 15th- and 16th-century music.
- ‘It is also clear that there is more danger of too slow and stodgy a tempo when the lesser tactus is used.’
- ‘The sections in sesquialtera can then be conducted by simply altering the even tactus of the opening duple meter to an uneven tactus, without changing the timing of the full tactus beat itself.’
- ‘The strings, with great unanimity of tone, provide the delicate motor, the tactus, that allows the pianist to fly.’
We take a look at several popular, though confusing, punctuation marks.