Mar9 Overtones,low E undertone. 3 notes at the same time Posted on March 9, 2015 by haidiphonie Standard Mise en ligne le 9 oct. 2009 Im trying to sing 3 tones at the same time,by using throat singing(scratch register,undertones),regular singing,and then by combing these 2 methods,trying to create a third tone,overtone Share this:TwitterFacebookLike this:Like Loading... Related