Yes - but Margaret Barry, the Irish street singer whose interview with Alan Lomax is ref'd a couple of threads back, invariably sang to her own banjo accompaniment; I knew her at the time and never heard her sing unaccompanied.

She is also the one, btw, who introduced 'She Moved Thru The Fair' into the folkie repertoire so we were ALL singing it in the late 50s. Then, asked in another interview [Karl Dallas, I think] where she had got it - family? fellow-traveller? - she replied cheerfully "Oh no; I learned it from a gramophone record by Count John McCormack".

Maybe this last bit should have gone on the Folk Process thread... Think I'll copy it there too.