To cite a performance you watch in person, follow the MLA format template:

Astley, Rick. Concert. 6 Oct. 2016, Town Hall, New York City.

If you are discussing a collaborative performance, generally begin with the title of the source. In the below example, the author of the play, the director, and the lead performers appear in the “Other contributors” position. Provide the name of the company presenting the work in the publisher slot, then the date of the performance, and the location:

Heartbreak House. By George Bernard Shaw, directed by Robin Lefevre, performances by Philip Bosco and Swoosie Kurtz, Roundabout Theatre Company, 1 Oct. 2006, American Airlines Theatre, New York.

If your discussion of the work focuses on the contribution of a particular person, begin the entry with that person’s name, followed by a descriptive label:

Lefevre, Robin, director. Heartbreak House. By George Bernard Shaw, performances by Philip Bosco and Swoosie Kurtz, Roundabout Theatre Company, 1 Oct. 2006, American Airlines Theatre, New York.