Fun tip that I use:
I count how many words there is then count a box to see if it matches.
Poetry is the correct answer
Answer:
One Piano
Explanation:
The instrumentation of the "At the river" character piece is one piano.
The movement of the notes conveys the movement of a flowing river
In character piece, piano are relatively used for brief musical composition to express mood and idea and they are always used to channel a single mood or impression