- Frankie and Mary singing "My Eyes Adored You" after they divorce due to the the strain caused by Frankie's career.
- During the second act, we see Frankie's relationship with his daughter Francine becoming more and more strained. And eventually, just when it was starting to mend, she dies from a drug overdose. His reaction is heartbreaking and leads to him singing "Fallen Angel".
Tearjerker / Jersey Boys