These revolutionary works brought a strikingly organic -- almost architectural -- unity to the symphony that music historians recognized as "far in advance of anything in the classical masters." Austere and intensely concentrated, Sibelius's symphonies of 1907 and 1911 are performed today by major orchestras around the world.【交響曲第3番 ハ長調 作品52/交響曲第4番 イ短調 作品63】(Dover)