Piano Concerto in B-flat major may refer to: Piano Concerto No. 6 (Mozart) Piano Concerto No. 15 (Mozart) Piano Concerto No. 18 (Mozart) Piano Concerto No. 27 (Mozart) Piano Concerto No. 2 (Beethoven) Piano Concerto No. 2 (Brahms) Piano Concerto No. 4 (Prokofiev) Piano Concerto (Bliss)