An example of a common irony is, "Oh great! Now you have broken my new camera."
I believe that based on this context, Faustus is being compared to Icarus.
In Greek mythology, Icarus was the son of Daedalus, who created a labyrinth where Minotaur was kept imprisoned. Daedalus and Icarus were too prisoners of the same island, and they wanted to escape using the wings that Daedalus made. However, Icarus flew too high near the Sun, and the wax on his wings melted and he fell to his death.
Explanation:
Suffering is a process that causes pain and negative emotions in those who feel it, and creativity is the process of innovation and positive transformations that can be developed in any medium.
Therefore, the relationship between suffering and creativity occurs in the form that suffering can mark the life of an individual with negative feelings, which can be expressed and transformed through positive and creative expression, as through art.
In "sonny blues" we see that Sonny spent a long time involved with drugs and in prison, which may have been a negative and remarkable life experience, so he decides to become a jazz musician and play the piano, as these artistic and creative experiences in addition to causing emotions that serve as an escape to avoid suffering.
Your question is bit unclear.