Carl Philipp Emanuel Bach (8 March 1714 – 14 December 1788) was a German Classical period musician and composer, the fifth child and second (surviving) son of Johann Sebastian Bach and Maria Barbara Bach.
Emanuel Bach was an influential composer working at a time of transition between his father's baroque style and the classical and romantic styles that followed it. Bach's dynamism stands in deliberate contrast to the more mannered rococo style also then in vogue.

Johann Christian Bach (September 5, 1735 – January 1, 1782) was a composer of the Classical era, the eleventh child and youngest son of Johann Sebastian Bach. He is sometimes referred to as "the London Bach" or "the English Bach", due to his time spent living in the British capital, where he came to be known as John Bach. He is noted for influencing the concerto style of Mozart.