Johann Christian Bach (born Leipzig, 5 September 1735; died London, 1 January 1782) was a composer of the Classical period. He was the eleventh and youngest son of the great composer Johann Sebastian Bach. He is often called 'the London Bach' or 'the English Bach', because he spent many years living in London. He became internationally famous, both as a composer and as a performer. Wolfgang Amadeus Mozart liked his music, and learned a lot about how to write good concertos by looking at the concertos of J. C. Bach.