This kind of Bug can happen easily, but it's a lot less likely to happen at eBay because of its judicious use of FindBugs.
You might also put in the word "ease. " "I allow things to happen easily (or, by definition, with 'ease').
Because the music is so effective, the churn of emotions is there even when you don't know exactly what Legrand is singing about (this can happen easily with her unusual phrasing).