This week’s version of Three Stars continues today with a review of Proof, the debut album of singer-songwriter Laura Tsaggaris. Yesterday we looked at Alcian Blue, and tomorrow Three Stars concludes with a dicussion of Meredith Bragg and the Terminals. Proof, by Laura Tsaggaris It is said that a singer-songwriter with a major label deal is like a mule with a spinning-wheel. Nobody knows how he got it, and damned if he knows how to…