When Cathy O’Neil created the first Atlanta Bard show almost 20 years ago, she had no idea what she was getting into.

A Bard Show Tribute: One Singular Sensation” honors O’Neil, the much-loved visionary behind the long-running series of all-lawyer, musical-comedy parodies who died of pancreatic cancer last year. It is playing next weekend only at the new Sandy Springs Performing Arts Center.