He was active in the Greenwich Village music scene in the 1980s, attending the Cornelia Street Songwriters Exchange and performing at Folk City and Speak Easy while working on a PhD in Poetics from New York University.

He also helped to edit the Fast Folk Musical Magazine (now part of the Smithsonian-Folkways collection) and recorded songs for a dozen issues.

He currently practices family medicine in Hartford, Connecticut,[3] and continues to perform as part of a folk quintet, The Faithful Sky with long-time collaborators including Jim Mercik.

In 1996, Blumenfeld released Mozart's Money, a more highly produced album that helped him gain a national audience through reviews and indie radio airplay.

[4] Lucy Kaplansky and Mark Dann feature prominently and are joined by Michael Visceglia (of Suzanne Vega's band) and Mindy Jostyn.