"I was just in the middle of singing a song about how broke we were and now my cell phone rings"

In this quote, Joel Madden is revealing an abrupt disturbance in his ideas or actions. He was in the middle of singing a song about their monetary battles when his cell phone rings, causing him to stop and move his attention to the call. This might recommend that the call may have brought news or details that is related to their financial situation, or it might simply be a coincidence. Using the word "simply" indicates that the interruption happened at a really inconvenient time, possibly when he was feeling particularly susceptible or psychological about their financial battles. In general, this quote highlights the unpredictability of life and how unexpected occasions can disrupt our strategies or thoughts.