What Will Adele's 56-Date North American Tour Do to Her Vocal Cords? A Chart

Adele announced the dates for her upcoming North American tour on Monday, and I’m starting to get nervous about what 56 performances of songs like “Hello” and “Chasing Pavements” will do to her voice. Will the followup to 25 be an ambient album filled with the synthesized wails and moans of a musical artist having to mute herself on vocal rest yet again?

We’ve created a purely hypothetical, totally scientific chart to track the overall projected health of Adele’s voice over the course of her tour, which begins July 6 in St. Paul, Minnesota. Even when factoring in the average humidity of each city (the ideal level for singing is supposedly 60%) and a host of other randomly selected, admittedly unscientific numbers… it’s not looking great.