Many music lovers around the world have little information about Lord Ley, who nevertheless reigned on the Congolese music scene for more than fifty years. He was the first singer of black Africa to hold in suspense the public of the famous "Olympia" of Bruno Coquatrix, in Paris, during more than one month. In publishing this book, my intention is first to introduce the musician, and then to explain certain facts and attitudes that have been in the musical news and have given rise to various comments. Having shared the life of the artist for several years as a journalist and collaborator, I was able, over time, to patiently reconstruct his path, and this, thanks to information drawn from his closest entourage and, above all, directly from the source, that is to say, from Tabu Ley himself.