Piano concerto No. 5 starts at 0:32:43 into the video.
UK expert reconstructs “missing” Beethoven movement which gets its first performance in more than 200 years.
– Lost Beethoven classic played for first time in 200 years (Telegraph, Sep. 29, 2011):
A movement from a Beethoven composition for a string quartet which was discarded by the composer and replaced by a new version has been reconstructed by a musical expert in Manchester.
The piece got its first ever public performance in more than 200 years, possibly ever, at Manchester University.