It’s well known that certain sounds can help the human brain to ignore distractions and concentrate on the task at hand. Focus@Will is a music service that delivers these mind-boosting sounds on tap. With 50 channels to stream, you can find the perfect backing track for your productivity. Right now, lifetime Premium subscriptions are just $59.99 at the PopSci Shop.

Focus@Will helps you avoid the two big drags on productivity: habituation and distraction. The specially commissioned audio tracks are designed to stimulate your brain just enough to stop you drifting off, without causing a mental diversion. In addition, these sounds help to drown out your chatty co-workers. The results are impressive—some users report improvements of up to 400 percent in their attention span and overall productivity.

Available on desktop and mobile devices, Focus@Will lets you tune in at any time. The channels are diverse, ranging from the beats of “Electro Bach” to the sound of flowing water. When you want to get something done, you can also set a timer on your listening sessions.

It’s worth $299.95, but you can get lifetime unlimited access now for only $59.99.