Final answer:
Although the specific theme of 'City Rhythm' by Cynthia Porter is not provided, we can infer that rhythm in artistic expression often evokes deeper themes like human connection, emotion, and individuality.
Step-by-step explanation:
The theme of City Rhythm by Cynthia Porter is not explicitly stated in the source provided, making it challenging to deliver an accurate thematic analysis. However, examining the various examples surrounding rhythm in art and literature may provide key insights into understanding how rhythm can influence thematics. For instance, rhythm in poetry, such as the comparison of faces in a crowded underground to petals on a wet bough, emphasizes certain words and contributes to the emotional tone of the piece, suggesting themes of transience and human connection in urban settings. Similarly, rhythm in art, demonstrated by the repeating patterns and movements in Gustlin’s paintings, evoke themes of human emotion and individuality transcending race or ethnicity. These artworks, through their rhythmic qualities, tend to explore deeper concepts like justice, self-expression, and human existence.