The Origin of Keep Her Knocking

My Buckets got a hole in it would later be recorded by everyone from Hank Williams to Louis Armstrong, Jimmy Page and Robert Plant. It was particularly popular among country singers but the song took another turn in 1928 when it was recorded by Tampa Red's Hocum Jugband. This group featured Georgia Tom who as Thomas Dorsey would later be best known as the writer of much of the core repertoire of gospel music. The Tampa Reds version was titled You Can't Come In and seems to have been the origin,. not only of Keep Her Knocking but also of the Lead Belly song Midnight Special.