According to the Internet source given below, Robert D. Sharp was variously a composer of popular music, pianist, violinist, bandleader, dealer in music and musical instruments and president of
The Robert D. Sharp Music Company, Denver, Colorado. He was born in Tuscola, Illinois but moved to Colorado in 1883, settling in Pueblo, where he studied music under Professor Murray of Pueblo. Of ragtime interest is his co-authorship of
Everybody's Rag (1909) with
Dan Goldsmith and
High Life Rag (1913) with
Harry Levinsohn.