His rich lead voice is unmistakable in hundreds of bluegrass standards.
In his announcement speech four years ago, he tapped out the bluegrass standard "Rocky Top" on an electronic keyboard.
Mullican recorded this in 1950 and 1958 and it has since become a bluegrass standard.
It is now regarded by many as a bluegrass standard.
The bulk of their record albums consisted of original material, although they also included time-honoured bluegrass standards in their repertoire.
It contains 16 bluegrass standards in a dueling-banjos format, with guitar and fiddle.
It is still in use today, having become a bluegrass standard and a signature number of Rhonda Vincent & the Rage.
Says founder Simpson: "We play a lot of bluegrass standards, and we also take a lot of popular songs and cover them, bluegrass style."
"Little Maggie" was a popular bluegrass standard.
Mr. Alexander, an accomplished pianist, concluded by tapping out the bluegrass standard, "Rocky Top" on an electronic keyboard set on the courthouse steps.