Original: Also in 1849 he formed the Bach Society (later to be re-formed as the Bach Choir) in London, to produce and conduct the first English performance of Bach's St Matthew Passion on 6 April 1854.
Simplified: In 1849 he formed the Bach Society (later to be reformed as the Bach Choir) in London to produce and conduct the first English performance of Bach's St Matthew Passion on 6 April 1854.