The Piano Trio in B-flatmajor, Op. 97, by Ludwig van Beethoven is a piano trio completed in 1811. It is commonly referred to as the Archduke Trio, because
B-flatmajor is a major scale based on B♭, with pitches B♭, C, D, E♭, F, G, and A. Its key signature has two flats. Its relative minor is G minor and its
E-flatmajor, Op. 73, known as the Emperor Concerto in English-speaking countries, is a piano concerto composed by Ludwig van Beethoven. Beethoven composed
two Piano Trios by Ludwig van Beethoven, written for piano, violin, and cello. Both trios were composed during Beethoven's stay at Countess Marie von Erdödy's
minor Subdominant – D-flatmajor Dominant – E-flatmajor Submediant – F minor Leading-tone – G diminished Beethoven chose A-flatmajor as the key of the slow