sentences:  In the tiap hi, the contrast between women's constraint and men's vitality becomes strongly marked.In one version of the genre, the men maintain a textless drone, while the women sing four or eight verses, recounting legends.In the sua and the tiap hi, each of the first three rows of dancers takes its turn in front; after completing a set of verses, the dancers in the first row drop back, to permit the row behind them to come forward (Hereniko 1991