I hear so often, “You make it look so easy.” Ease of playing comes from many hours of practice over years. For musicians, “practice” is the work we put in to gain proficiency at what we do. Just like you doing your job 40 hours a week with one exception, we don’t get paid for our practice time, you do.
You put in 8 hours a day, 40 hours per week practicing your job and get paid for it. Musicians practice hours each day, 7 days per week but only get paid for the performance when hired.