I keep running into these, so here is a place to catalog them. Here is a start:
Jan and John Corbin Goldsberry(Hammered Dulcimer)(late 70's-early 90's
http://witheandstone.com/index_files/Musichome.htm
The River Rats Dixieland Band(late 70's-late 80's)
http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=231527903
The Horsecreek Band(God was a boy-now)
http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendID=165680729
Cedric Benoit(Mid 80's-now)
http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=42755860
The Homestead Pickers(Early 90's-now)
http://www.angelfire.com/mo3/pickers/index.html
Danny Eakin(Mid 80'-now)
http://www.dannyeakin.com/
Kim and Jim Lansford(Kim mid 70's-mid 80's with Swing and Turn, Jim with several groups 80's & 90's, and both now at festivals)
http://www.kimandjim.com/
The Undergrass Boys(early 80's)
http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=370621623
Chosen Few(90's-00's)
http://www.chosen-few.com/default.aspx?tid=1
The Dillards(late 80's)
http://www.the-dillards.com/
The Branson Brothers (90's)
http://www.bransonbrothers.com/
(http://www.weebly.com/uploads/6/0/7/6/6076564/255372.jpg)