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Giorgione, the co-founder of the Venetian School alongside Titian, played a pivotal role in the development of Venetian painting during the High Renaissance. Known for his poetic and lyrical style, Giorgione's works are characterized by their atmospheric landscapes, rich colors, and enigmatic symbolism. His influence on Venetian art cannot be overstated, as his innovative approach paved the way for the golden age of Venetian painting.