OLD LARGE PHOTO of 1930s American Opera Singer, contralto Marian Anderson 21 | eBay
What's My Voice Type? Tips for Finding Your Voice - Music Grotto
Björk - björk 101: björk's voice ranges about three octaves, from f#3 to d6. what kind of voice do you think she has, alto, contralto, mezzo-soprano or soprano? | Facebook
Amazon.com: Sennheiser Professional E 935 Dynamic Cardioid Vocal Microphone : Everything Else
Denied A Stage, She Sang For A Nation : NPR
Jimmy Scott: Singer with a remarkable contralto voice who spent years away from music but returned in triumph | The Independent | The Independent
Mixing Vocals : The Ultimate Guide to EQ'ing Vocals
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What Voice Type Am I? | How to Know Your Vocal Type - OpenMic