Liza, in terms of sheer talent, just oozes with it. She has sheer energy and stamina, which she gets across the stage, and the way she delivers herself to the public is a good influence. There is a lot to learn from her

Montserrat Caballé is sensational. She has that same kind of emotion as Aretha Franklin. The way she delivers a song is so very natural. It's a very different gift.