A the dispute among consumers is the key to profitable product-design changes.
B the famous products result from professionals working individually to achieve the aims of the group.
C improvisation and trial-and-error always leads to the best solutions for the market place.
D good jazz performances are made up of individual musicians who strive to play their instruments far louder than the others.
E it is the whole orchestra that makes the music sound pleasant just as it is the whole professional team that will achieve a successful solution.