Original: Johann Sebastian Bach ( or ) ( 31 March 1685 -- 28 July 1750 ) was a German composer , organist , harpsichordist , violist , and violinist whose ecclesiastical and secular works for choir , orchestra , and solo instruments drew together the strands of the Baroque period and brought it to its ultimate maturity .
Simplified: Johann Sebastian Bach ( b. Eisenach , 25 March 1685 ; d. Leipzig , 28 July 1750 ) was a German composer and organist .