On the record is their part-time bass player Jake Tullock, formerly with Lester Flatt & Earl Scruggs for many years
Bill Millsaps is a distant relative of Daniel Boone. He previously worked with Carl Story, Kenny Baker and Josh Graves. Began performing with Wilma shortly after their marriage in 1967. Formed the Snowbird Mountain Boys in 1969, then the Snowbird Mountain Trio. Snowbird Mountain is an actual mountain on the North Carolina-Tennessee state line (just below the Smokies).
Acknowledgments : Martin Hall (YouTube)
Also on the same label in 1973 :
Bill and Wilma Millsaps and the Snowbird Mtn. Boys : In The Pines / Bluebirds Singing For Me (Rite 32241/2)