Mozart’s Piano Concerto No. 25 is nowadays regarded as one of his very best works; it is also one of his longest concertos. The soloist, now on his first visit to Lahti, is the young-generation American pianist Jonathan Biss, famous the world over for, among other things, his discs. Also on the programme for the concert conducted by Stefan Solyom is the sFifth Symphony by Franz Schubert.