Surprised nobody mentioned:
Roy Acuff and his Smoky Mountain Boyshttp://www.youtube.com/watch?v=vTBF6gj_K9M
http://www.youtube.com/watch?v=1tecX4e02P0
http://www.youtube.com/watch?v=idFTT0qRGd4
Porter Wagonerhttp://www.youtube.com/watch?v=x8jJq4rBsZc
http://www.youtube.com/watch?v=TWg6n7K5y_o
Jimmy Dean (Yup, the sausage guy)
http://www.youtube.com/watch?v=CS3ErDN50Qk
http://www.youtube.com/watch?v=23zRerieZxg
http://www.youtube.com/watch?v=gipzQr0k9zA
Tennessee Ernie Fordhttp://www.youtube.com/watch?v=zUpTJg2EBpw
http://www.youtube.com/watch?v=pRhpHZ85Ozk ( This song SHOULD have been in FO: NV but it may have
offended some.

)
http://www.youtube.com/watch?v=ZuLXRHZFAio ( Another one that could have been included by again, may have
offended some. )
There is plenty of good old country and country gospel that fits perfectly in FO: NV.