Vibrato wont happen naturally when the throat and neck muscles are too tight closing in on the laryngeal muscles. The throat needs to be freed up in order to get a natural vibrato., I call this the Can belters learn to sing in HEAD VOICE? The answer is YES!! I know a lot of powerful singers struggle with head voice and mixed voice, but trust me it's possible! No Vibrato In Singing Voice The Pain and Suffering Until You Get it VIBRATO! Maybe ur born with itmaybe its voice lessons?! , Many of us are born with natural free flowing vibrato! For all my straight tone singers vibrato IS possible through learning! I break it How to Sing Vibrato London Singing Institute