By Mary Ann Anderson Tribune News Service One of the most remarkable facets of the African bush is its utter quiet — or so you might think. Stand completely still for a moment, and then little by little, sound by sound, you realize that it is not really quiet at all. Like a perfectly composed symphony of nature, the bush comes alive with myriad yet distinct echoes: fish eagles and go-away birds shrieking in the distance, hyenas enthusiastically whooping at some secret discovery, a pair of lions roaring in perfect harmony, voices of bull elephants rumbling their guttural songs, the soft fwip-fwipping of crocodiles diving for some underwater treasure and, perhaps the very best of all, the powerful whisper of the wind sighing across the savanna. Therein lies part of the reason why you should take a romantic sojourn to Africa on safari: to experience its sounds heard nowhere else …