Alexander Soddy
https://www.youtube.com/watch?v=aWjePRcKuRU
Marco Armiliato
https://www.youtube.com/watch?v=sUi6hqzx5tY
https://www.youtube.com/watch?v=e7BEu3Hpsdk
Angel Blue
https://www.youtube.com/watch?v=as18QxsYGpI
https://www.youtube.com/watch?v=XacspEL_3Zk
Anita Hartig
https://www.youtube.com/watch?v=JqEOdBVtGUE
Sonya Yoncheva
https://www.youtube.com/watch?v=0JYLg9BffGU
https://www.youtube.com/watch?v=IY8T4WRBw3Y
Brigitta Kele
https://www.youtube.com/watch?v=cgtyKKONzAw
https://www.youtube.com/watch?v=jTUB8e7eZas
Susanna Phillips
https://www.youtube.com/watch?v=H4ne_Oi2xag
https://www.youtube.com/watch?v=0qV4ZDDJZ7c
https://www.youtube.com/watch?v=h4VGPIUT3Ow
Dmytro Popov
https://www.youtube.com/watch?v=7Tpignkqa0Y
https://www.youtube.com/watch?v=jqsPClCBWbc
Jean-François Borras
https://www.youtube.com/watch?v=DhRud88Jvoc
https://www.youtube.com/watch?v=dBURXqSR1lw
Russell Thomas
https://www.youtube.com/watch?v=gDlQaq-KJ9M
https://www.youtube.com/watch?v=9h0CiaYEj2A
Michael Fabiano
https://www.youtube.com/watch?v=dbeS9O42KjI
https://www.youtube.com/watch?v=Sp505Xr5z_s
https://www.youtube.com/watch?v=0wvr_ouNQ0k
Lucas Meachem
https://www.youtube.com/watch?v=bfA_NGVJiUI
https://www.youtube.com/watch?v=B7Di_9ua-hE
Michael Todd Simpson
https://www.youtube.com/watch?v=jQ27fEb983g
https://www.youtube.com/watch?v=By2RjCJv5ik
Duncan Rock
https://www.youtube.com/watch?v=mf8fL-8Vivk
https://www.youtube.com/watch?v=f8yR9F1JhaM
Javier Arrey
https://www.youtube.com/watch?v=AmgeLoYGlug
Alexey Lavrov
https://www.youtube.com/watch?v=3JK8FubKUvg
https://www.youtube.com/watch?v=jF1AkmtTgKk
David Pershall
https://www.youtube.com/watch?v=UaBUdW4c5cc
https://www.youtube.com/watch?v=XsJwkl-YNaA
https://www.youtube.com/watch?v=ZgPiQGmmyJo
https://www.youtube.com/watch?v=WdrSl77sPBo
http://davidpershall.com
https://sfopera.com/about-us/people/bios/artists/david-pershall/
https://www.operanews.com/Opera_News_Magazine/2013/2/Departments/Sound_Bites_— David_Pershall.html
David Soar
http://www.askonasholt.co.uk/artists/david-soar/
http://www.roh.org.uk/people/david-soar
https://www.youtube.com/watch?v=lq5Ld0iVU_M
Matthew Rose
https://www.youtube.com/watch?v=LHy4H6Qt3e0
https://www.youtube.com/watch?v=iRkqtI-Nako
Paul Plishka
Paul Plishka (born August 28, 1941) is an American operatic bass.
https://www.youtube.com/watch?v=kwuzgZfuriI
https://www.youtube.com/watch?v=R1BBHbmJ7xQ
https://www.youtube.com/watch?v=VowysxcPpts