Look at someone like Ke$ha. I wouldn't say she's got the most rangy, incredible voice, but she's got a thing. She stands for something, and people are buying into that.
Kara DioGuardiI can make the argument that people who don't have the biggest ranges but have very unique voices, even if they may be pitchy at times... with the right record that's really unique and distinct, they can have big hits.
Kara DioGuardi