https://www.musical-u.com/learn/3-singing-exercises-to-improve-your-vocal-pitching/
There are probably few things more painful to listen to than a singer who is out of tune.
So what can you do if you have trouble singing in tune?
There are a number of things which can help you learn to sing in tune, including using a digital tuner, doing pitch ear training, and interactive singing tutors.
Let’s look at 3 simple exercises you can use to refine your vocal pitch control and practice singing in tune.