The fact that most of us listen to music during the workday is no secret, at least here at the headquarters. Spotify released a study last year on people’s music habits during their 9-5s, which showed about two-thirds of people listen to something at their desks, claiming it made them both happier and more productive.

However, before you go running to your boss with a new plan to get your Google Play Music subscription paid for on expenses, you might want to turn off the Katy Perry and instead use a free ambient noise service such as Noisli; as although office workers might claim pop music makes them more productive, science has shown that online cialis