The years since the early music revival gathered momentum in the 1960s and 70s have witnessed many new developments in the field of pre-Baroque music: some revelatory recordings and concert performances have opened our ears to a new range of possible sound worlds for music of this period, and scholars have made discoveries that in many ways challenge the accepted views about this until recently neglected end of the repertory. Much pre-1600 music, the more so the further we go back in time, sound...