Some years ago I have seen Murray Perahia live at the Concertgebouw. He was part of a subscription of piano masters, and that really was well deserved. He is considered a specialist in Bach, Beethoven, Scarlatti and Mozart, and has written books about the subject, created numerous recordings and well received concert performances. Here he is doing two more Mozart works: concerts number 15 and 16.
These two concertos were written in March 1784. The 15th is probably the most difficult of Mozart’s 27 piano concertos. In his concerts, Mozart maintained a balance between orchestra and piano. Piano concerts might be seen as piano works with orchestral accompaniment, or as symphonies with occasional piano solos. Most composers struggle with this balance. Mozart found and used several solutions to fix this balance.