UNFORGETTABLE SOS: Natalie Cole will receive the Society of Singers’ annual ELLA award during the org’s annual gala at the Beverly Hilton on June 1. Doris Day will receive the inaugural Legend Award, while veteran back-up singer Billie Barnum will receive the Voice Award for her contributions. President/CEO Jerry F. Sharell promised his own rendition of “Que Sera Sera” at the event. Other scheduled performers include Gladys Knight, Kenneth “Babyface” Edmonds, Macy Gray, James Ingram, Dave Koz, Patti Austin and Nikki Yanofsky. For info, go to www.singers.org or call (818) 995-7100 for the org, which was co-founded in 1984 by Ginny Mancini and Gilda Maiken Anderson, offering emergency financial support for vocalists and scholarships in the vocal arts. (4/29p)