Final answer:
The classical piece of music that traditionally features cannon fire is Tchaikovsky's 1812 Overture. This composition symbolizes Russia's defense against Napoleon's invasion and is often performed during patriotic events.
Step-by-step explanation:
The classical piece of music that traditionally features cannon fire is Tchaikovsky's 1812 Overture. This piece was composed by Tchaikovsky in 1880 to commemorate Russia's defense against Napoleon's invasion. The cannon fire is used as a dramatic effect in the composition, symbolizing the battle. The 1812 Overture is often performed during fireworks displays and patriotic events.