Helen Liebmann was a founding member (along with Simon Jeffes) of the avant garde music group Penguin Cafe Orchestra in 1973. A cellist, she studied at the Royal Academy of Music. In addition to playing cello with a number of different ensembles, she is also a practicing music therapist.

• "The Penguin Cafe Orchestra - Other Members". Archived from the original on 26 November 2006. Retrieved 23 October 2006.