Gordon Waller, one half of Peter and Gordon, passed away over the weekend. The New York Times has an obituary.
Mr. Waller and Peter Asher played acoustic guitars and brought vocal harmonies reminiscent of the Everly Brothers to their own synthesis of folk, blues and rock ’n’ roll. An important ingredient in their success was a steady supply of songs written by Paul McCartney that the Beatles themselves did not record.
Here's the duo playing Paul's "World Without Love":