Original: The only album solely credited to the Plastic Ono Band , Live Peace in Toronto 1969 , was recorded during the Toronto Rock and Roll Revival on September 13 that year and featured Eric Clapton on lead guitar , Klaus Voorman on bass ( an old friend of Lennon 's from Germany , who was famous for the cover art of the Beatles ' Revolver album ) , and Alan White ( later of Yes ) on drums .
Simplified: The second version of the Plastic Ono Band included Ono and Lennon in person , along with musicians Eric Clapton , Klaus Voormann and Alan White . They performed together at a rock concert in Toronto in September 1969 , and it was the first time Lennon had played in public with a band other than the Beatles .