R&B artists Brandy, Monica and Whitney Houston will be among the performers at the 4th Annual International Achievement in Arts Awards on Oct. 11, according to an event representative. Hosted by actor Robert Wagner, the occasion -- which will benefit the Whitney Houston Foundation for Children, Inc. and the Starkey Hearing Foundation -- will honor such performers as rapper Will Smith and R&B/pop artists Mariah Carey and Steve Winwood for their musical achievements. Additional performers include R&B duo K-Ci and Jo-Jo, soul/funk singer Chaka Khan, Motown legend Smokey Robinson and R&B great Dionne Warwick.