Early in 1962 Claes Oldenburg offered a series of ten ‘Happenings’ in a store on East Second Street in New York City. Featuring Claes Oldenburg, Patty Oldenburg, Lucas Samaras, Carolee Schneemann, Jackie Ferrara, Billy Kluver, Lette Eisenhauer, Johanna Lawrenson, Jean-Jacques Lebel, Oyvind Fahlstrom, Irene Fornes, John Weber, etc. in ten different performances.

Patty Mucha was not only Oldenburg’s muse for his 1962 Ray Gun Theater performances but she also collaborated in sewing costumes and constructing objects and sets for his Happenings and installations. She appeared in Oldenburg films made by Rudy Wurlitzer and Robert Breer as well as in films by Jean Dupuy, Rudy Burckhardt, Andy Warhol and Red Grooms. She also participated in the Happenings of Jim Dine, Robert Whitman, Dick Higgins, Alex Hay, Steve Paxton, Simone Forti, and Sally Gross.