| Category: | Choreography (by Merce Cunningham and Jean Erdman) |
| Dated: | 1942 |
| Choreographer: | Jean Erdman and Merce Cunningham |
| Premiere: | August 1, 1942 at Bennington College, Bennington, Vermont |
| Dancers: | Jean Erdman and Merce Cunningham |
| Music: | Gregory Tucker: Ad Lib |
| Design: | Charlotte Trowbridge (costumes) |
| A new production with John Cage's 'Ad Lib' (1943) was premiered on February 14, 1943 at the Arts Club of Chicago in Chicago, Illinois |