jj as I mentioned earlier I play WS in Am, I flatpick it starting with 2 triplets in the Am chord, repeat that then off to the melody, slow and gentle. To my ear it sounds fine, it may not to others. With regard to the fine line you mention, a bunch of us sing and play every week in a pub, we do Steve Earle's Galway Girl (a great song) we do a couple of instrumental breaks against a chord progressionof " D / / / D / / / G / / / D / / / G /D /
A / D / A / / / D / / / " whilst playing this I get the urge to sing an old song called "The Tennessee Wig Walk" The lyric is "I'm a bow legged chicken I'm a knock kneed hen, Never been so happy since I don't know when. I walk with wiggle, a wiggle and a walk. Doing the Tennessee Wig Walk" It is just that progression, not the tune.