Sanding (dance) the box of rosin before matches to improve his grip. Sims' popularity as a tap dancer and career at the Apollo certainly made him one of the most if not the most influential sand-dancer of all time. Sand dancing was also used by the popular comedic vaudeville trio, Wilson, Keppel and Betty. They spread sand over the stage in one of their most well-known numbers, "Sand Dance". In their performance, there was no allusion to African American heritage; rather to the sandy environs of Egypt, a clear inspiration for their number. In spite of this deviation from the African American
20th Century Fox Records labels with typed, or mimeographed, information. Matrix numbers are variable, but the earliest known records in this series correspond to the picture "Sally, Irene and Mary" (1938) and the latest ones to "The Gang's All Here" (1943). These discs were limited exclusively to studio properties recorded on 20th Century Fox soundstages and were used for promotional purposes and as giveaways to staff and visitors to the studio itself. After this small scale venture was discontinued, 20th Century Fox stayed out of record production for about 15 years, though its music division remained very active in licensing 20th Century Fox musicals