This episode presents the Brandenburg Concertos by Johann Sebastian Bach (1685-1750). Musical excerpts played by the Freiburger Barockorchester conducted by Gottfried von der Goltz. Bach's six Brandenburg Concertos rank among the undisputed favorites of all baroque fans. They have become a firm fixture in music education and an integral part of our international musical heritage. So what's their secret? The internationally acclaimed pianist and Bach expert Robert Levin provides an answer.