Walter Meyer replies to me:

>>He [Benjamin Franklin] also, as a Phildelphian, traveled to the Moravian
>>settlements of Pennsylvania - probably the most sophisticated music-making
>>in English-speaking America -
>
>Except that the music makers themselves may well have been German
>speaking!, having settled in Pennsylvania from Herrnhut in Saxony.

Actually, they were mixed linguistically, German and English, at least as
far as the texts to their sacred music would indicate.  And they originally
were Hussites from Bohemia who settled in Germany.

Other fun facts on the American Moravians available on request.

Steve Schwartz