Several other people participated in the production of the ceremony. Documentary filmmaker Chuck Workman assembled a montage saluting "100 Years at the Movies" that was shown at the beginning of the telecast. Film composer and musician Bill Conti served as musical director for the ceremony. Dancer and singer Paula Abdul supervised the Best Song nominee performances and a dance number featuring the Best Costume Design nominees. Singer Diana Ross performed the Oscar-winning song "Over the Rainbow" in a tribute to the 50th anniversary of "The Wizard of Oz".