# Piano Concerto No. 20 in D Minor, K.466 - Written during Mozart's most successful Vienna period. - Premiered March 11, 1785, with Mozart as soloist - His father Leopold was visiting and witnessed the premiere - Only one of two minor-key piano concertos (with [[k-491|K.491]]) - Romantic anticipation, especially in the darker outer movements, heavily influenced Beethoven. - Serene inner romance in B-flat.