Like most Pakistani children I grew up singing the country’s national anthem every morning at the school assembly. Our rotund music teacher Mrs Lobo would pound the tune out on the school piano as rows of uniformed boys and girls obediently mouthed the words, “Pak sar zameen shaad baad…”, Blessed be the sacred land. Some jokers would strike a discordant note to make their classmates laugh. I doubt any of us ever thought about the meaning of the heavily Persianised words.We all knew