David Catlin-Birch is a British musician. He was a bassist for pop/alternative rock band World Party, and was the original Paul for the Beatles tribute band The Bootleg Beatles.With Rowland Rivron and Richard Vranch, he made up the core team for Radio 2's musical comedy show Jammin' which won a Silver Sony Comedy Award in 2004. He played bass with The Flight of the Conchords on their 2005 Radio 2 series.