Falling Upward is Ray Bradbury's play based on his experiences of Ireland in the 1950s. It was last staged in 2009, and the website for that production is still around. There is more archived web coverage of a 2007 run, including press reviews of the play, here.
Also still around - although it took me a lot of creative Googling to track it down - is a 2009 podcast from the series This Way Out: the International Lesbian & Gay Magazine which features Bradbury talking about the play and its inspiration.
The episode is too old to still be offered directly by the This Way Out online archive, but I tracked down a copy on The A-Infos Radio Project: details of the programme and download links are here. (The Bradbury feature begins 46 minutes into the episode.)
Theatre is obviously very important to Bradbury. He has written plays from the 1940s onwards. He voices his enthusiasm for the stage in the opening few minutes of a new short video called Stage Matters, a production of the Theatre Communications Group.
Speaking of radio, I see that Colonial Radio Theatre - producers of award-winning adaptations of Bradbury's Dandelion Wine, The Halloween Tree and Something Wicked This Way Comes - have been busy with recording sessions for their new production: Ray Bradbury's The Martian Chronicles.