Keyboard concertos by Johann Sebastian Bach soloists, were all adapted into harpsichord concertos by the composer, BWV 1058, 1054 and 1062 respectively. It is often assumed that Bach's extant violin concertos were written in his Köthen period (1717–1723): it can however not be proven from documentary evidence that any of them existed prior to around 1730. In September 1725 Bach performed organ music, accompanied by other instruments, in Dresden. The works he performed there have not been identified. More than a year later he composed several cantatas with an organ obligato part. Several movements of such cantatas were derived from earlier lost concertos, and resurfaced in
Dan Brandenburg Dan Brandenburg Daniel R. Brandenburg (born February 16, 1973) is an American former football player who was a linebacker in the National Football League (NFL) for four seasons. He played college football for Indiana State University. He was drafted by the Buffalo Bills in the seventh round of the 1996 NFL Draft. In four seasons with the Sycamores, Brandenburg had 215 tackles (116 solo and 99 assist) while recording a school record 32 sacks (since broken). He also set the school record for sacks in a season with 13 during his sophomore campaign. He was a two-time All-American, and three-time