gaude maria virgo has some distinctive features of polyphonic texture. how does the pace at which the bottom voice changes pitch compare to the pace of the upper two voices?

In Gaude Maria Virgo , the pace at which the bottom voice changes pitch is much slower compared to the upper two voices. The bottom voice typically sustains long, extended notes, serving as a foundation or cantus firmus, while the upper two voices move more actively with a pattern of long and short notes, often melismatic and rhythmically varied. This creates a distinctive polyphonic texture where the lower voice provides a slow-moving harmonic base and the upper voices engage in more florid, faster melodic movement