Have you seen that her album is being released on cd by Water Music on 28 February 2012? "First time available on CD with Tia Blake's own recollections. 11 tracks...) http://www.cduniverse.com/productinfo.asp?pid=8445038
Here is her version of "Polly Vaughn" on YouTube http://www.youtube.com/watch?v=r4fq3-H1v0g