the fat lady sound It can be said the total is greater than the sum of its parts. The fat lady really is a technical tour de force. The true test of a loudspeaker is to listen to it. Be prepared for an emotional onslaught as soon as the music starts: expect to be captivated and drawn into the performance. Auditioning the fat lady promises to be a very tactile and exciting experience. As they say: "It's not over till the fat lady sings."