"Gunboat", also known as "Hornio", "The Horny Ewe" or "Going Down to Georgie-o" is an American old-time breakdown from Braxton County, W.Va. in A Major. The parts are played ABB'. It is usually played in AEae fiddle tuning.
This is thought to be a Civil War-era tune, although there is no proof of this.
The banjo tablature is by John Letscher.
It was printed in Lamancusa's The Gettysburg Collection of Old-Time Fiddle Tunes (2021), Krassen's Masters of Old Time Fiddling (1983) and Silberberg's Tunes I Learned at Tractor Tavern (2002).
It was recorded by Ernie Carpenter on Elk River Blues: Traditional Tunes From Braxton County, W.Va. and Jim Taylor (et al) on The Civil War Collection, vol. II.