An Evening With Groucho Marx (Part 1 of 2)Released in 1972, An Evening With Groucho Marx was recorded live at three venues, Carnegie Hall in New York City, C.Y. Stephens Auditorium at Iowa State University, and Masonic Auditorium in San Fransisco. Groucho is introduced by Dick Cavett and is accompanied on piano by Marvin Hamlisch.