 Richard also has three sons from a previous marriage and several grandchildren, including Mali Sterban.Prior to joining The Oak Ridge Boys, Sterban toured with J. D. Sumner and the Stamps Quartet, who were singing backup for Elvis Presley at that time.Sterban ultimately became best known for his "oom-pa-pa-oom-pa-pa-mow-mow" bass solo in the Oak Ridge Boys' 1981 single "Elvira" and sang lead vocals on a select few of the group's songs, including a cover of The Righteous Brothers' hit "Dream On", which was a top-ten hit.