Whitney Houston's Taiwanese Understudy?

>An upper respiratory illness is forcing Whitney Houston to postpone concerts in Paris, Manchester, and Glasgow. Maybe she should just send in this guy as an understudy?

Taiwan's Li Yu Chun performed Houston's "I Will Always Love You" on the American Idol-esque show Super Star Avenue, and he sounds a lot like the star. Compare with the original:

All concert-goers need to do is close their eyes, and maybe they wouldn't know the difference?