By Brandy McDonnell Features Writer bmcdonnell@oklahoman.com March 9 Collins to deliver Sondheim love letter to OKC Grammy-winning singer and songwriter Judy Collins will perform a one-night-only concert event March 9 at the Oklahoma City Community College Visual and Performing Arts Center Theater, 7777 S May Ave. Presented by Oklahoma City Repertory Theatre, or CityRep, Collins will bring to Oklahoma City her show “A Love Letter to Stephen Sondheim.” The event will replace the previously planned performance of Hal Holbrook's “Mark Twain Tonight!,” which was canceled after Holbrook's unexpected retirement from the stage. Although she is best known for her sublime vocals and incomparable song interpretations, Collins started her musical career at age 13 as a piano prodigy.Read more on NewsOK.com