Who was johann sebastian bach?
and for extra points!
how many people of the bach family were composers?

Johann Sebastian Bach was a composer in the baroque period, He enriched established German styles through his skill in counterpoint, harmonic and motivic organisation, and the adaptation of rhythms, forms, and textures from abroad, particularly from Italy and France. Bach's compositions include the Brandenburg Concertos, the Goldberg Variations, the Mass in B minor, two Passions, and over three hundred cantatas of which around two hundred survive.