Yip and Gersh. Concert featuring songs with lyrics by Yip Harburg and Ira Gershwin, fellow lyricists and lifelong best friends. Bruno Walter Auditorium, Lincoln Center, January 11, 1997. Conceived and narrated by Deena Rosenberg. Singers: Tommy Hollis, Liz Larsen, Nancy Opel, Sal Viviano. Pianist-singer: Jimmy Roberts. This recording is not a commercial product and is available only from The Yip Harburg Foundation.