lazy poker - the main source of info about Peter Green has really shifted away from boards such as this to Facebook. Several groups there have occasional updates on Peter, mainly from his nephew / saxophonist Joe Green.
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Then Play On ... Peter Green's Fleetwood Mac for example, but there are several other similar groups. Many are "Closed Groups" on Facebook where you have to request joining in order to post there, and your posts to the group don't show up on your personal Facebook timeline.