Take swings trying to just hum while keeping the tempo and volume of the hum constant
The position of the ball in your stance is determined by your swing shape and the club you are hitting. Your wedge should be near the center of your stance and your driver should be off your front heel.
The angle your clubs lie on the ground will have a tremendous effect on your swing if it is incorrect, a one degree upright club will push your ball eight feet to the right on your sand wedge, which in turn will cause you to manipulate the clubface in order to correct that flaw