Concerto Budapest’s first summer evening, open-air concert of the year is dominated by Johann Sebastian Bach and Antonio Vivaldi, two giants of Baroque music who never actually met. The Suite in B minor by Bach, who hugely admired his globe-trotting colleague who was just seven years older, was written in Leipzig in the late 1730s: in its dance movements, there is a Polonaise based on a Polish folk song, while the seventh movement, the closing Badinerie, offers the orchestra’s principal flautist Orsolya Kaczander a rewarding task, yet one that demands considerable virtuosity. There is some doubt about the dating of the Concerto for Two Violins in D minor: although most likely from an earlier period, its existence can only be authenticated from Bach’s residence in Leipzig. It promises the audience assembled in the Courtyard of Pest County Hall a fluent partnership between András Keller, artistic director of Concerto Budapest, and Zsófia Környei, concertmaster of the orchestra. Of the more than 500 concertos written by the ‘red priest’, that is, Vivaldi, this concert features the Violin Concerto in D major, composed for the feast of the Holy Tongue of St. Antonio in Padua in 1712. The first and third Allegro movements of the work surround the ‘Grave’ movement, that is, a movement to be performed solemnly and slowly.