Penderecki has already added a cadenza to Haydn's Trumpet Concerto to our successful Cadenza series. What was so special about it was the use of the two orchestra horns in the trumpet cadenzas. With Bach too, Penderecki proved to be inventive: instead of the usual cadencing between the two movements with violin or harpsichord, the principal viola plays an adagio in Baroque melismata and expressive arpeggios, accompanied by the continuo section with a chromatically descending bass reminiscent of ...