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String Quartet No. 22 in B-flat major, K. 589

4 movements

Wolfgang Amadeus Mozart · 1789–90 · B♭ major · 558 bars · 515 chords analysed

One of the three “Prussian” quartets written for King Friedrich Wilhelm II, a keen cellist — which is why the cello gets so many tunes.

Mozart's 23 quartets include the six he dedicated to Haydn in 1785 — the fruit, he wrote, of “long and laborious effort” — and the three “Prussian” quartets written for a cello-playing king.

Keys visited: B♭ major, F major, F minor, D♭ major, G minor, D major, E♭ major, C minor.