"Halifax" is an American reel in cut time and G major.
It is known in southwestern Va. The tune and tune name is peculiar to the Franklin/Floyd County area of southwestern Va.
It played in either G or A, usually in an open tuning: G,DGd or A,EAe. It is shown here in G and the tablature is for standard fiddle tuning.
The banjo tablature is by John Letscher. His comment:
From Armen Barnett on the Back Up and Push CD.
It was also recorded by Armin Barnett and the Ruglifters on The Ruglifters.