Symphonies Nos. 3 'Eroica' and 8 are orchestral compositions by Ludwig van Beethoven, composed in 1803-1804 and 1812 respectively. Symphony No. 3 expanded the scale and structural ambition of the symphonic form with extended development, larger orchestral gestures and pronounced thematic transformation associated with Beethoven's middle-period 'Eroica' style, while Symphony No. 8 returns to a more compact, classically balanced profile characterised by brisk tempi, light-hearted rhythmic surprises and economy of form, illustrating the contrast in Beethoven's career between experimental expansion and classical restraint.