Only after the BBC investigation did Mr Avey learn that Mr Lobethall had survived and that it was his smuggled cigarettes that had given him his chance.
The evidence corroborating Mr Avey's story appeared in a video interview that Mr Lobethall had given to the Shoah Foundation, which gathers the testimonies of the camp survivors.
The group officially became a band in 2000, with the members each adopting new names: Avey Tare (David Portner), Panda Bear (Noah Lennox), Deakin (Josh Dibb) and Geologist (Brian Weitz).
