Sumi Jo & Hvorostovsky
Sumi Jo & Hvorostovsky - Verdi - Rigoletto - Duet

http://www.youtube.com/watch?v=Y8_kctOoBns

Sumi Jo & Hvorostovsky - Rossini - Il Barbiere di Siviglia

http://www.youtube.com/watch?v=qA6j6tx1U58

Sumi Jo - Meyerber - L'Etoile du Nord - C'est bien l'air que

http://www.youtube.com/watch?v=r9oQR-y1w9o

Sumi Jo - Donizetti - Lucia di Lammermoor - Mad Scene

http://www.youtube.com/watch?v=GPe7zbM-MxY

Katia Ricciarelli - Lucia di Lammermoor - "Mad Scene"

http://www.youtube.com/watch?v=JrtruOIyQJw

June Anderson in Lucia di Lammermoor - Mad scene Part 2

http://www.youtube.com/watch?v=tEDxgZlx0ng