Among Johann Sebastian Bach’s musician sons, Johann Christoph Friedrich Bach, born in 1732, has for a long time been a shadowy figure although as Concert Master to the court of Schaumburg-Lippe in Bückeburg he was leader of one of the most important German court orchestras of the age.

This collection of over 280 letters and documents brings together for the first time previously scattered sources on his life and influence up until the mid-19th century, and is augmented by many previously unp...