Complex sentence: Three elders of flamenco dance, La Macarrona, La Malena, and Fernanda Antúnez, were featured playing the roles of "brujas" during "the scenes in the gipsy caves".
Split into simpler sentences: Three elders of flamenco dance, La Macarrona, La Malena, and Fernanda Antúnez, were featured. They played the roles of "brujas" during "the scenes in the gipsy caves".