Authoritative Urtext edition of Johann Sebastien Bach's Brandenburg Concerto No.2 In F BWV1047.The six Brandenburg Concertos BWV 1046-1051 prized jewels of the world's musical heritage were written in 1721 during Bach?s appointment in Cöthen.Of the six works Bach originally wrote earlier versions of numbers 1 and 5 which differ not only with regard to articulation but also at times different tones different rhythms instrumentation and of course form.These Urtext publications [BA 5201-BA 5206] taken from the New Bach Edition now give performers the possibility to play these earlier versionsperhaps even along side the version known today.