January 21, 1872, Oxford, Alabama.
Author, composer and teacher, Robertson was educated in the common schools of Alabama, and at John Tarleton College (now Tarleton State University), Stephenville, Texas. He attended his first singing school at age 17, and after a second term began leading. After attending a 30-day session under one of the pupils of the Southern Normal Musical Institute (SNMI), he began teaching singing schools.
He moved to Texas in 1893, and in 1895 attended two sessions of the SNMI at Comanche, Texas, and one session under John S. Hendricks. He received a diploma from the SNMI at the close of the 40-day session at Midlothian, Texas, in 1897. He took a post-graduate course in 1901 at Childress and Alford, Texas, and in 1902 assisted in a session of the SNMI at Stephenville, Texas.
Copyright records indicate Robertson was living in Tolar, Texas, in 1911. His works include: