An examination of the Winchester organa, the most sophisticated examples of the dominant polyphonic tradition from 850 to 1100. This tradition was based on a fundamentally different conception of polyphony than the new (and lasting) tradition that emerged around 1100. Winchester-style polyphony vanished around the same time: it was an evolutionary dead end. The organa used to be regarded as undecipherable, since the voices are written in unheightened neumes. Yet in 1968 Andreas Holschneider published his brilliant discovery of their decipherment. We will transcribe and discuss selected organa along the principles he established.
