"tr" in measure 23 is an example of a (an) _______.

1 point
Articulation
Dynamic
Ornamentation
Mordent

Articulation

In measure 23, "tr" is an example of an ornamentation.

To determine the answer, we need to analyze the given term "tr" in measure 23.

"Tr" typically stands for "trill," which is an ornamentation technique used in music.

So, the correct answer is option 3: Ornamentation. Trills involve rapidly alternating between two adjacent notes, usually starting on the main note, and adding a quick embellishment note. This creates a fluttering effect, adding ornamentation and expression to the music.

To find this information, you can refer to a music theory textbook, consult a music teacher or professor, or search for reputable online resources that explain musical ornaments and their symbols.