Hana Kamkar, a famous singer, removed her hijab

Warm up—and cool down.

It is vital that you warm up your voice before singing, and there are a variety of exercises to suit all ages, vocal ranges and levels of experience. Always ease into your exercises by first warming up your facial muscles—loosen your lips and jaw muscles by blowing through your lips, sticking out your tongue as far as it will go, massaging your face and sighing musically.