The emotions expressed are different. The difference between "Hometown Creek" and "Singing Creek" is the difference in expression of emotion. The details are as follows:
1. "The Creek in My Hometown" expresses more of the author's longing for his hometown and creek, as well as his nostalgia for his childhood, with a warm and touching tone.
2. "Song Creek" expresses more of the author's praise for Song Creek and his love for nature, with a cheerful and exciting tone.