Music possessing these qualities can often provide just the right amount of interest to occupy the parts of your brain that would otherwise be left free to wander and lead to distraction during your work.
Finally - someone who recognizes that there's a curious & busy part of the brain which must be kept preoccupied during complex tasks, and mixes music just for that purpose.
"Trance" music podcasts are a great approximation for this. (See "The Vocal Trance", "Above & Beyond: Trance Around The World", "The Perfect Mix", "Push The Night", "Perfecto Podcast", "The Sound of Trance", "Shakedown Podcast")
ETA: Alas, too many managers don't understand this; they think you're getting distracted by the music, and can't comprehend that it is necessary to facilitate focus.