Final answer:
The majestic quality of Handel's "Alla Hornpipe" comes from the rhythm and instrumentation used in the piece, which includes a driving rhythm and noble-sounding brass instruments.
Step-by-step explanation:
The majestic quality of Handel’s "Alla Hornpipe" from his Water Music suite is primarily contributed by several musical elements. These include harmony and melody, which are intricately interwoven to create a regal and uplifting sound. The harmony provides a grand and stable foundation, while the melody often features ascending lines that add to the feeling of grandeur.
Additionally, the rhythm and instrumentation play a crucial role. The rhythm provides a driving force that propels the piece forward, and the use of brass instruments, particularly horns, lends a bright, noble timbre that is often associated with majesty and splendor.
Therefore, the answer is C. Rhythm and instrumentation, although harmony and melody are also significant contributors. It is the combination of all these elements that ultimately creates the majestic quality Handel is celebrated for.