Sonika 's vocal range has been referred to by her vocal coach , Ken Tamplin , as being in the top five ( 5 ) percentile of all of his students .
Ken Tamplin has had over 10 , 000 students worldwide .
Sonika 's vocal range has been referred to by her vocal coach , Ken Tamplin , as being in the top five ( 5 ) percentile of all of his students and he has had over 10 , 000 students worldwide .