The new scholarly-critical edition of the score of Rameau's 'ballet héroïque? Les Indes galantes finally clears up its convoluted source history. At the first performance, on 23 August 1735, it consisted of a prologue and three acts: Le Turc généreux, Les Incas du Pérou and Les Fleurs. But Les Fleurs already proved controversial in the early performances, and from 11 September of that same year it…