"Grandfather's Clock" is a song written in 1876 by Henry Clay Work. It is a standard of British brass bands and colliery bands, and is also popular in bluegrass music. The Oxford English Dictionary says the song was the origin of the term "grandfather clock" for a longcase clock. In 1905, the earliest known recording of this song was performed by Harry McDonough and the Haydn Quartet (Known then as the "Edison Quartet").
A video for this song: