The Piano Concerto No.22 is actually the first time Mozart incorporates the sonority of the newly-introduced clarinet, and he does it by replacing the oboes. And, of course, it’s a great example of Mozart infusing a unique identity into another one of his piano concertos. Hear the work tonight at 7: Mozart’s Piano Concerto No. 22 in E-flat, our Evening Masterwork on Classical WSMR 89.1 and 103.9.