Solfège
In music, solfège (UK: or US: ; French: [sɔlfɛʒ]) or solfeggio (; Italian: [solˈfeddʒo]), also called sol-fa, solfa, solfeo, among many names, is a mnemonic used in teaching aural skills, pitch and sight-reading of Western European music. Solfège is a form of solmization, although the two terms are sometimes used interchangeably.