Roman army of the mid-Republic placed unprecedented strains on Roman manpower, not least on the Order of Knights and the First Class of commoners which provided the cavalry. During Hannibal's apocalyptic march through Italy (218–216 BC), thousands of Roman cavalrymen were killed in the field. The losses were especially serious for the equestrian order, which also provided the army's senior officers. Livy relates how, after Cannae, gold rings (a badge of knightly rank), recovered from the corpses of Roman knights formed a pile one "modius" (about 9 litres) large. In the succeeding years 214–203 BC, the Romans kept at least 21 legions in the field
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,