Swiss pop/rock singer Sina is generally classified as a Mundartrocksängerin, signifying that she sings in a dialect distinctly different from standard German. While this no doubt affected her crossover potential in Germany and Austria, where her music goes mostly unheard, it helped endear her to Swiss listeners -- particularly those from her region of the country, the canton of Valais -- who could relate to her culturally. Sina's popular breakthrough came in 1994 with an adaptation of "Son of a Preacher Man," and though she never scored many national hit singles, her albums re...