Did you know that talking on the phone for any extended length of time can sabotage your singing voice? Yep, it's absolutely true. Why? No one can see you. Therefore, you don't use the same kind of facial and body language that you would if communicating visually.

Here's the typical phone talker:

• Your face upper face goes inactive. When you don't use your eyes, eyebrows and mask area while sounding your voice, your vocal ceiling (soft palate, back of nasal…