New at PennSound — Jackson Mac Low, Dick Higgins, Petr Kotik, Joseph Kubera, and Chris Nappi perform Emmett Williams’s Cellar Song for Five Voices. This piece was written in 1960. The recording here was made of a performance in 1990, presented by the S.E.M. Ensemble, recorded by Mikhail Liberman at Paula Cooper Gallery, 2/6/1990. Click on this link to the Jackson Mac Low PennSound page: http://writing.upenn.edu/pennsound/x/Mac-Low.php#cellar .