> But what would the large bass > instruments have been like? Do any survive from this period?
None from the (late) fifteenth-century. However, as far as I know, surviving Maler lutes are bass instruments, the earliest from 1520s (? Someone correct me if I'm wrong). M To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html