Piece ID is

GAlliarda eiusdem Accordetur 8. chorns [sic]ad notam E LA MI.

in THESAURUS HARMONICUS DIVINI LAURENCINI ROMANI, NEC NON [...] Ad decennium.

GB-Lbl K.4.h.1

Start: Folio: 118vSystem: 1 View Image

People associated with source:

Jean-Baptiste BesardComposer(Probable)