Colin O'More (January 20, 1890 – September 21, 1956) was a popular concert singer, music educator, and pioneer executive in broadcasting.

"Till the Clouds Roll By," a duet with Anna Wheaton, was one of the first singles to hit #1 on the American music charts.

[5] O'More was born James Harrod Hornberger on January 20, 1890 in Heber Springs, Arkansas.

[4] He also studied abroad with Jean de Reszke, Edmond Clément, Lucien Fugère, Sir Henry Wood, and others.

[8] As James Harrod he made several recordings on the Columbia label including "Till the Clouds Roll By", a duet with Anna Wheaton from the musical Oh, Boy!.