"Fa la" ba kalma ce da ke da takamaiman ma'anar ƙamus ba. A haƙiƙanin sautin kida ne da ake amfani da shi a cikin waƙar murya, musamman a madrigals da sauran ayyukan waƙoƙi. A cikin wannan mahallin, ana amfani da “fa la” a matsayin kalmar banza ko marar ma’ana da ake rera don cike waƙar da ƙirƙirar sauti mai daɗi.
