Battle of Cannae Hannibal at Cannae, with approximately 86,000 Roman and allied troops. They massed their heavy infantry in a deeper formation than usual, while Hannibal used the double-envelopment tactic and surrounded his enemy, trapping the majority of the Roman army, who were then slaughtered. The loss of life on the Roman side was one of the most lethal single day's fighting in history; Adrian Goldsworthy equates the death toll at Cannae to "the massed slaughter of the British Army on the first day of the Somme offensive in 1916." Only about 15,000 Romans, most of whom were from the garrisons of the
Ancient Celtic music The recital of "barbaric songs" is reported for a member of the Celtiberian infantry during the battle of Cannae in 216 BC, as he was attacked by the Roman consul. National songs are already attested by Tacitus for the Caledonians. Livius reports Gallic war songs that were heard at the river Allia. After the Gallic victory (ca. 387 BC) the city's inhabitants had to endure the dissonant battle chants. A sole Gallic warrior is reported to have gone into a fight singing. Livius on the other hand only describes the Roman Titus Manlius, who would defeat him in 361 BC,