This is less of a trick and more of a lifestyle shift that involves checking in with your body multiple times a day.
I’ve included the best Youtube video I could find on singers’ alignment – because video really is much more effective than just descriptive words.
However, I have to add a couple of things….
A quick and effective posture check is to stand with your back flat against a wall, with feet about 1 foot out from the wall, for balance. I know that some teachers recommend standing with feet against the wall, but if singers are carrying any additional abdominal weight, I find that this just makes them feel as if they’re about to topple forward. Which creates tension – the one thing we need to get rid of when we sing.
I’ve also found that when people have carried tension in their shoulders for many years, there’s no way that the back of the head is going to be able to touch the wall and keep the chin in the correct, relaxed, slightly lowered position required for good singing. If this is the case, a small pillow, or a couple of books may be needed to bring the chin into alignment.
This will allow us to feel that slightly lifted and lengthened back of neck that is so magical for a fuller, richer sound.
Doing at least some of your singing practice against the wall like this will eventually coax your body into realizing that singing in an aligned position really is more fun!
And here’s the short, very professional video that says the rest.