File from Opera Theatre Company production of "The Four Note Opera" by Tom Johnson, directed by Gavin Quinn and designed by Aedín Cosgrove and Suzanne Cave. Includes printed programme flyer for the Opera Theatre Company production, 1998. Also programme from the 2004 revival production. File also includes some postcards and Christmas cards sent to Quinn and Cosgrove from those including Gallowglass Theatre Company.
File 2 includes photocopy of the libretto for "The Four Note Opera", with music scores, also printed booklet, programme, and flyers from production of the opera by Opera Theatre Company as part of a festival in Dusseldorf.