It seems the Neusiedler "Judentanz" was notated in scordatura and somebody misunderstood the notation. It isn't really bitonal at all.

There is a similar one in the Scottish lute repertoire, a "Gypsie Lilt" with a mindblowing chord that Wagner would have found startling. If you reckon that the tablature writer simply got the wrong string by mistake it sounds perfectly normal for the period.