But getting it right can be tricky. Peru has debated replacing the first verse of its anthem, sung since 1821, after criticism it was too gloomy.

可要弄好这件事还需要点方法，比如在秘鲁就有关于其1821年第一版国歌存废的争议，批评者认为这首歌实在是过于低沉沮丧。