In 1974, she appeared as a Dancer with Laura Dean and Dance Company in New York, Washington, D.C. and Connecticut and two years later as a singer, actor and Dancer for the world premiere of Philip Glass and Robert Wilson's Einstein on the Beach at the Avignon Festival, touring with the production to Hamburg, Paris, Belgrade, Venice, Brussels, Rotterdam and the Metropolitan Opera House where it was performed in November 1976. Her dance piece, "Beta Hookups" set to Lou Reed's Metal Machine Music, was performed at Merce Cunningham Studio with Reed himself filming, followed by additional performances of the work at The Kitchen. Her theatre-dance piece entitled Dancers premiered at the Dance Theater Workshop in 1977, and her four abstracts, Ode, String Out, Steady State Turning and Cycles were performed at The Kitchen in 1979 earning a positive review in the New York Times, followed by performances of her dance company, Grethe Holby and Dancers, throughout the New York area.