Symphony No. 40 in G minor, K. 550, is one of the most famous symphonies composed by Wolfgang Amadeus Mozart in 1788. It is notable for its emotional intensity and dramatic contrasts, showcasing the Classical style's elegance and complexity. The symphony consists of four movements, each contributing to its overall dynamic character. The first movement, marked Allegro, is particularly recognized for its urgent themes and driving rhythms. The symphony's use of minor key creates a sense of tension, while the orchestration highlights the interplay between strings and woodwinds. Overall, Symphony No. 40 remains a significant work in the classical repertoire.