look on her face enters the room and slowly approaches him, she leans down and whispers in his ear; "Thank God you took over, the fellow who was playing for the last hour was horrible!"
Do not try tuning your own piano yourself. Tuning is a very complicated process, it is an art practiced by skilled professionals. I know there are lots of tutorials on the internet that might make it look easy but please save your money: IT IS NOT EASY!
Have a qualified piano technician tune your piano, one who is a Registered Piano Technician. (they have the letters RPT after there name.) Check out this website to find one near you.