Giovanni Antonio Terzi and Simone Molinaro were the two greatest lutenists Oscar Chilesotti found during his investigations for transcribing lute music of the 16th century. (Lautenspieler des 16. Jahrhunderts, p.X)
Suzanne E. Court, Dissertation, Giovanni Antonio Terzi and the lute intabulations of late sixteenth-century Italy.
Despite Eitner, it seems to be quite sure that Giovanni Antonio Terzi is from Bergamo, just because in his 2 books Intavolatura di Liutto he insists in using the ending "da Bergamo" several times.