Actually Jeri it is the other way around!

You has to swang dat thang! Typical song lick I-dTbI-anyotherstringbutcanbeastrum-Tg', is a good place to start. See comments in Pete Seger's book as well as Rosenbaum, both BTW slightly dated these days - a better book, I think, would be 'Frailing ..Banjo' Pub Melbay by Kohler.