The role of the piano in an art song is to a. improvise based on the singer's melody. b. tell the story. c. imitate an entire orchestra. d. play only chords.

In an art song, the piano's role would be B. Help tell the story. The piano also would share some melodic ideas that would provide a context for poetry. Hope this is the right answer and would be of big help.

The answer is colored light

Its not wavy i took it so it might be  thick  hope it